{"title":"Headsets","description":null,"products":[{"product_id":"cane-creek-40-series-integrated-headset-164089","title":"40 Series Integrated Headset","description":"Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek headsets. The 40 Series has light, tough, and beautiful machined 6061 T6-aluminum cups that are internally relieved for even more gram shaving. You also get Cane Creek's corrosion-resistant black-oxide sealed bearings and quality seals throughout to keep the grease in and the dirt out, including Cane Creek's Clip Seal that completely seals the top assembly.","brand":"Cane Creek","offers":[{"title":"Default Title","offer_id":51706215465193,"sku":"CAN4520370K","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/cc_baa0073k_12_m.jpg?v=1787402376"},{"product_id":"cane-creek-cane-creek-zn40-bearing-41mm-zinc-plated-each-422426","title":"Cane Creek ZN40-Bearing 41mm Zinc Plated, Each","description":"40-Series Bearing\r\u003cbr\u003e\r\u003cbr\u003e- Compatible with 110-, 40-, and 10-Series headsets","brand":"Cane Creek","offers":[{"title":"Default Title","offer_id":51706215530729,"sku":"BEA37595911E","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/cane-creek-cane-creek-zn40-bearing-41mm-zinc-plated_-each-422426-1.png?v=1787402378"},{"product_id":"enduro-trek-e2-36-degree-headset-lower-bearing-425076","title":"Trek E2 36 Degree Headset Lower Bearing","description":"High-quality replacement headset bearings are smooth like butter.\u003cbr\u003e\u003cbr\u003e- Sealed cartridge bearing for long life\u003cbr\u003e- Durable steel bearing housing","brand":"Enduro","offers":[{"title":"Default Title","offer_id":51706222739689,"sku":"HEA49660034S","price":39.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/enduro-trek-e2-36-degree-headset-lower-bearing-iv-425076-1.png?v=1787402481"},{"product_id":"fsa-full-speed-ahead-compressor-1-1-8-black-expander-plug-and-top-cap-457554","title":"Full Speed Ahead Compressor 1-1\/8\" Black Expander Plug and Top Cap","description":"FSA Compression Plugs are top assemblies for carbon steerers. Replaces the traditional top cap assembly. Includes cap, bolt, and expander.\r\u003cbr\u003e\r\u003cbr\u003e- Includes cap, bolt and expander\r\u003cbr\u003e- Top assembly for carbon steerers replaces traditional top cap and star nut assembly","brand":"FSA","offers":[{"title":"Default Title","offer_id":51706224312553,"sku":"FSA42683599P","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/fsa-full-speed-ahead-compressor-1-1-8-black-expander-plug-and-top-cap-457554-1.png?v=1787402508"},{"product_id":"fsa-full-speed-ahead-micro-acb-36-x-36d-1-1-8-mr043-black-457542","title":"Full Speed Ahead Micro ACB 36 x 36d 1-1\/8\" MR043 Black","description":"FSA Standard Headset Bearings","brand":"FSA","offers":[{"title":"Default Title","offer_id":51706224443625,"sku":"FSA3074598K","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/fsa-full-speed-ahead-micro-acb-36-x-36d-1-1-8-mr043-black-457542-1.png?v=1787402510"},{"product_id":"fsa-full-speed-ahead-micro-acb-gray-seal-36x45-stainless-1-1-8-headset-bearing-sold-457540","title":"Full Speed Ahead Micro ACB Gray Seal 36x45 Stainless 1-1\/8\" Headset Bearing Sold Each","description":"FSA Standard Headset Bearings","brand":"FSA","offers":[{"title":"Default Title","offer_id":51706224509161,"sku":"FSA58143853H","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/fsa-full-speed-ahead-micro-acb-gray-seal-36x45-stainless-1-1-8-headset-bearing-sold-457540-1.png?v=1787402511"},{"product_id":"fsa-orbit-c-33-integrated-headset-391083","title":"Orbit C-33 Integrated Headset","description":"- 1-1\/8\" \/ 1-1\/4\", 45°\/ 45° ACB\r\u003cbr\u003e- Compatible with carbon or alloy head tubes\r\u003cbr\u003e- For tapered 47mm \/ 52mm OD head tube\r\u003cbr\u003e- For 1-1\/8\" to 1-1\/4\" tapered fork\r\u003cbr\u003e- Alloy top cover\r\u003cbr\u003e- Upper : 1-1\/8\" angular contact bearing black seal)\r\u003cbr\u003e- Lower : 1-1\/4\" angular contact bearing (black seal)\r\u003cbr\u003e- Stack height 15.6+1=16.6mm\r\u003cbr\u003e- 74 grams","brand":"FSA","offers":[{"title":"Default Title","offer_id":51706224673001,"sku":"FSA35671502M","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/fsa-orbit-c-33-integrated-headset-391083-1.jpg?v=1787402514"},{"product_id":"trek-madone-9-series-upper-headset-bearing-1257486","title":"Madone 9-Series Upper Headset Bearing","description":"Revive your Madone with a new upper headset bearing.\u003cbr\u003e\u003cbr\u003eFeatures\u003cbr\u003e- For use with 2016+ Madones\u003cbr\u003e- Durable steel bearing housing","brand":"Trek","offers":[{"title":"Default Title","offer_id":51706261209321,"sku":"HEA40660114M","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/trek-madone-9-series-upper-headset-bearing-iv-1257486-1.png?v=1787403119"},{"product_id":"wolf-tooth-2-degree-geoshift-performance-angle-headset","title":"Wolf Tooth 2 Degree GeoShift Performance Angle Headset","description":"\u003cp\u003eAdjust the geometry of your bike by changing the head tube angle by 2º with the GeoShift 2º Performance Angle Headset. It allows you to change the head tube angle by -2º to make for a slacker geometry for added stability on fast descents, or by +2º by using the opposite orientation of the headset to make for a steeper geometry for quicker steering with maximum front wheel traction.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/GeoShift_installed_2.gif?v=1631906557\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003eAnimation shows stock head tube angle (wheel closer to down tube) compared with slacker head tube angle after installation of GeoShift Performance Angle Headset (wheel further from down tube)\u003c\/p\u003e\n\u003cp\u003eThe GeoShift Performance Angle Headset features a design in which the bearings sit at an angle that aligns with the steerer tube. This compares to angle headsets that have bearings that sit flat, which adds unneeded friction and stress on the bearings. This design with angled bearings also prevents the creaking that is common with angle headsets that feature a spherical design.\u003c\/p\u003e\n\u003cp\u003eWolf Tooth headsets are machined in the USA with lightweight, strong, durable 6061 aluminum. Our Performance Headset is built to include an Enduro black oxide coated chromium steel bearing, a one-year warranty, and three levels of superior custom sealing to protect bearings from the elements and prolong the life of the headset. \u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with frames that use EC and ZS press fit headset cups.\u003c\/li\u003e\n\u003cli\u003eNot compatible with frames that use IS (integrated style) headsets. (The headset bearing sits directly in the head tube without an aluminum cup on frames that use IS headsets).\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a \u003ca href=\"\/products\/compression-plug\" title=\"compression plug for forks with carbon steerer tubes\"\u003ecompression plug\u003c\/a\u003e (sold separately; never use a star nut on a carbon steerer tube)\u003c\/li\u003e\n\u003cli\u003eConsult compatibility guide and \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WolfTooth-ANGLEHeadset-Guide-210316.pdf\" title=\"Wolf Tooth geoshift headset measurement guide\"\u003emeasurement guide\u003c\/a\u003e to determine which headset will fit your bike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 1.4em;\"\u003e  \u003cimg alt=\"Angle Headset, GeoShift measurements\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Angle_Headset_sizing.jpg?v=1631742499\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003ca href=\"\/pages\/geoshift-compatibility\"\u003e\u003cimg height=\"150\" width=\"150\" alt=\"Will Angle Headset work on my bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/AngleHeadset-work2_160x160.jpg?v=1636044727\"\u003e\u003c\/a\u003e \u003ca href=\"\/pages\/geoshift-angle-headset\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/AngleHeadsetTech_480x480.jpg?v=1606929901\" width=\"150\" height=\"150\"\u003e\u003c\/a\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/HeadsetReplacementParts_480x480.jpg?v=1606930367\" alt=\"Headset replacement parts link to product page\" width=\"150\" height=\"150\"\u003e \u003ca title=\"Wolf Tooth GeoShift Angle Headset fitment and compatibility guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WolfTooth-ANGLEHeadset-Guide-210316.pdf?v=1635869157\"\u003e\u003cimg height=\"150\" width=\"150\" alt=\"Link to how to measure angle headset\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/HowToMeasureAngleHeadset_4ddf81fb-0a98-4c4d-a554-b1ae9f1c828d_480x480.jpg?v=1607375377\"\u003e\u003c\/a\u003e \u003cimg height=\"150\" width=\"150\" alt=\"how to install angle headset link\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/InstallAngleHeadset_480x480.jpg?v=1607375416\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/HeadsetTech_150x150.jpg?v=1606930540\" alt=\"\" width=\"150\" height=\"150\"\u003e\n\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap With Integrated Spacer plus an aluminum bolt and a star nut\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around the steerer tube\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing\u003c\/li\u003e\n\u003cli\u003eOptional shim washers if needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded dual-lip seal on the crown race to protect lower bearing in the toughest weather and trail conditions\u003c\/li\u003e\n\u003cli\u003eService and additional parts available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race adapter\u003c\/a\u003e will help avoid damaging the crown race seals. Use the included installation drifts\/guides when pressing in headset cups.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e Wolf Tooth Headsets \n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e Weight: \u003c\/strong\u003eZS44\/28.6 Upper, ZS56\/40 Lower • 92g |  ZS44\/28.6 Upper, ZS44\/28.6 Upper, EC49\/40 Lower • 107g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e Installation drifts\/guides, upper and lower cups, bearings, crown race, star nut, three shims, stem cap with 5mm integrated spacer and bolt (weight listed does not include star nut, shims, or stem cap)\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e2-3 Nm with light grease on threads only\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePatent and trademark information\u003c\/p\u003e\n\u003cstyle\u003e\n    \u003c!--\n    .techDocLinks a {\n        margin-right: 4px;\n        text-decoration: none;\n    }\n    --\u003e\n\u003c\/style\u003e","brand":"Wolf Tooth Components","offers":[{"title":"EC44\/28.6 Upper, ZS56\/40 Lower \/ Short 90-114 mm","offer_id":51851481645289,"sku":"ECZS56L-G2-S-BLK-B","price":86.2,"currency_code":"USD","in_stock":true},{"title":"EC44\/28.6 Upper, ZS56\/40 Lower \/ Long 115-140 mm","offer_id":51851481678057,"sku":"ECZS56L-G2-L-BLK-B","price":86.2,"currency_code":"USD","in_stock":true},{"title":"EC44\/28.6 Upper, EC49\/40 Lower \/ Short 90-114 mm","offer_id":51851481710825,"sku":"ECEC49L-G2-S-BLK-B","price":86.2,"currency_code":"USD","in_stock":false},{"title":"EC44\/28.6 Upper, EC49\/40 Lower \/ Long 115-140 mm","offer_id":51851481743593,"sku":"ECEC49L-G2-L-BLK-B","price":86.2,"currency_code":"USD","in_stock":true},{"title":"EC44\/28.6 Upper, EC44\/40 Lower \/ Short 90-114 mm","offer_id":51851481776361,"sku":"ECEC44L-G2-S-BLK-B","price":86.2,"currency_code":"USD","in_stock":false},{"title":"EC44\/28.6 Upper, EC44\/40 Lower \/ Long 115-140 mm","offer_id":51851481809129,"sku":"ECEC44L-G2-L-BLK-B","price":86.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/ECZS56L-G2-S-BLK-B_01.jpg?v=1788916453"},{"product_id":"wolf-tooth-premium-is-headsets-for-specialized-integrated-standard","title":"Wolf Tooth Premium IS Headsets for Specialized - Integrated Standard","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061-T6 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. This has a stack height of 3mm and is available in a variety of colors to match other Wolf Tooth anodized color options. These IS headsets are made exclusively for Specialized frames with molded-in internal bearing cups. Like all Wolf Tooth Premium Headsets with Enduro stainless steel bearings, the Premium IS Headset for Specialized has a lifetime warranty on the bearings.  \u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUppers and lowers sold separately. \u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/products\/compression-plug\" title=\"compression plug for forks with carbon steerer tubes\" target=\"_blank\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eSome bikes, like the Stumpjumper EVO, have an adjustable headset that resembles a ZS headset where an upper cup is pressed into the frame. Our bearing will fit into that cup and our top cap will fit neatly on top. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNot compatible with 2020 or newer Specialized Road\/ Gravel Bikes, or 2024 and new Epic Evos \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMeasuring to determine compatibility with your Specialized frame\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDisassemble the headset, remove upper bearing from the frame\u003c\/li\u003e\n\u003cli\u003eUse the depth blade on a caliper to measure from the top of the headtube to the corner where the 45˚ taper starts\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cimg alt=\"Measuring your Specialized Headtube\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Specialzed_Headtube_Dimensions_480x480.jpg?v=1620148153\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKnown Compatible Specialized Bike Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 30px;\"\u003eAluminum Mountain Bikes (except pre-2017 Chisel HT aluminum)\u003cbr\u003eCamber Carbon  |  2014\u003cbr\u003eChisel Alloy HT (Smartweld HT) \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2017-2021\u003cbr\u003eEnduro 29 Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2014\u003cbr\u003eEnduro Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2017, 2020\u003cbr\u003eEpic Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2014\u003cbr\u003eEpic FSR \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2021\u003cbr\u003eEpic FSR Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2018\u003cbr\u003eEpic HT \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2017, 2020\u003cbr\u003eFatboy Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2015\u003cbr\u003eFuse Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2017\u003cbr\u003eStumpjumper \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2021\u003cbr\u003eStumpjumper Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2019\u003cbr\u003eStumpjumper EVO \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2021\u003cbr\u003eStumpjumper FSR Carbon \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e |  \u003c\/span\u003e2016\u003cbr\u003eTurbo Levo\u003c\/p\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Specialzed_Headtube_Dimensions_02.pdf?v=1620153275\" title=\"Wolf Tooth Headset for Specialized\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Specialized_Headset_160x160.jpg?v=1620148826\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked__ISspecialized_stainless_Labels.jpg?v=1616524896\" alt=\"IS headset for Specialized\"\u003e\u003c\/p\u003e\n\u003cp\u003eUpper assembly features: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap with 5mm Integrated Spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003eOne 3mm stack height top cover option.\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"IS Headset for Specialized\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_HEADSET_IIS42U-SPEC-3MM-CAD_02.jpg?v=1616520597\"\u003e\u003c\/p\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\" title=\"Wolf Tooth Crown Race Installation Adaptor\" target=\"_blank\"\u003eWolf Tooth crown race installation adapter\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003ewill help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\" title=\"Wolf Tooth Precision Headset Spacers\" target=\"_blank\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\" title=\"Wolf Tooth Crown Race Installation Adaptor\" target=\"_blank\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wolf-tooth-performance-is-headsets-integrated-standard\" title=\"Wolf Tooth Performance IS Headsets\" target=\"_blank\"\u003ePerformance IS Headsets\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 3mm • 43g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca rel=\"noopener\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_30.2X41X6.5_FOR_WEBSITE_1.pdf?v=1740513597\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"Upper \/ Black","offer_id":51851482169577,"sku":"IS42U-SPEC-3MM-BLK","price":64.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT_HEADSET_IIS42U-SPEC-3MM-CAD.jpg?v=1788916453"},{"product_id":"wolf-tooth-1-degree-geoshift-performance-angle-headset","title":"Wolf Tooth 1 Degree GeoShift Performance Angle Headset","description":"\u003cp\u003eAdjust the geometry of your bike by changing the head tube angle by 1º with the GeoShift Performance Angle Headset. It allows you to change the head tube angle by -1º to make for a slacker geometry for added stability on fast descents, or by +1º by using the opposite orientation of the headset to make for a steeper geometry for quicker steering with maximum front wheel traction.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/GeoShift_installed.gif?v=1607013459\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003eAnimation shows stock head tube angle (wheel closer to down tube) compared with slacker head tube angle after installation of GeoShift Performance Angle Headset (wheel further from down tube)\u003c\/p\u003e\n\u003cp\u003eThe GeoShift Performance Angle Headset features a design in which the bearings sit at an angle that aligns with the steerer tube. This compares to angle headsets that have bearings that sit flat, which adds unneeded friction and stress on the bearings. The design with angled bearings also prevents the creaking that is common with angle headsets that feature a spherical design.\u003c\/p\u003e\n\u003cp\u003eWolf Tooth headsets are machined in the USA with lightweight, strong, durable 6061 aluminum. Our Performance Headset is built to include an Enduro black oxide coated chromium steel bearing, a one-year warranty, and three levels of superior custom sealing to protect bearings from the elements and prolong the life of the headset. \u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Angle_Headset_sizing.jpg?v=1631742499\" alt=\"Angle Headset, GeoShift measurements\"\u003e\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with frames that use EC and ZS press fit headset cups.\u003c\/li\u003e\n\u003cli\u003eNot compatible with frames that use IS (integrated style) headsets. (The headset bearing sits directly in the head tube without an aluminum cup on frames that use IS headsets).\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a \u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"\/products\/compression-plug\"\u003ecompression plug\u003c\/a\u003e (sold separately; never use a star nut on a carbon steerer tube)\u003c\/li\u003e\n\u003cli\u003eConsult compatibility guide and \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WolfTooth-ANGLEHeadset-Guide-210316.pdf\" title=\"Wolf Tooth Geoshift headset measurement guide\"\u003emeasurement guide\u003c\/a\u003e to determine which headset will fit your bike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/AngleHeadset-work2_160x160.jpg?v=1636044727\" alt=\"Will Angle Headset work on my bike\" width=\"150\" height=\"150\"\u003e \u003cimg data-mce-=\"\" height=\"150\" width=\"150\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/AngleHeadsetTech_480x480.jpg?v=1606929901\"\u003e \u003cimg height=\"150\" width=\"150\" alt=\"Headset replacement parts link to product page\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/HeadsetReplacementParts_480x480.jpg?v=1606930367\"\u003e \u003ca title=\"Wolf Tooth GeoShift Angle Headset fitment and compatibility guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WolfTooth-ANGLEHeadset-Guide-210316.pdf?v=1635869157\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/HowToMeasureAngleHeadset_4ddf81fb-0a98-4c4d-a554-b1ae9f1c828d_480x480.jpg?v=1607375377\" alt=\"Link to how to measure angle headset\" width=\"150\" height=\"150\"\u003e\u003c\/a\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/InstallAngleHeadset_480x480.jpg?v=1607375416\" alt=\"how to install angle headset link\" width=\"150\" height=\"150\"\u003e  \u003cimg height=\"150\" width=\"150\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/HeadsetTech_150x150.jpg?v=1606930540\"\u003e\n\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap With Integrated Spacer plus an aluminum bolt and a star nut\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around the steerer tube\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing\u003c\/li\u003e\n\u003cli\u003eOptional shim washers if needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded dual-lip seal on the crown race to protect lower bearing in the toughest weather and trail conditions\u003c\/li\u003e\n\u003cli\u003eService and additional parts available\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e will help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e Wolf Tooth Headsets\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e Weight: \u003c\/strong\u003eZS44\/28.6 Upper, ZS56\/40 Lower • 92g |  ZS44\/28.6 Upper, ZS44\/28.6 Upper, EC49\/40 Lower • 107g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper and lower cups, bearings, crown race, star nut, three shims, stem cap with 5mm integrated spacer and bolt (weight listed does not include star nut, shims, or stem cap)\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e2-3 Nm with light grease on threads only\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"ZS44\/28.6 Upper, ZS56\/40 Lower \/ Short 90-114 mm","offer_id":51851482857705,"sku":"ZSZS56L-G1-S-BLK-B","price":86.2,"currency_code":"USD","in_stock":false},{"title":"ZS44\/28.6 Upper, ZS56\/40 Lower \/ Long 115-140 mm","offer_id":51851482890473,"sku":"ZSZS56L-G1-L-BLK-B","price":86.2,"currency_code":"USD","in_stock":true},{"title":"ZS44\/28.6 Upper, EC49\/40 Lower \/ Short 90-114 mm","offer_id":51851482923241,"sku":"ZSEC49L-G1-S-BLK-B","price":86.2,"currency_code":"USD","in_stock":false},{"title":"ZS44\/28.6 Upper, EC49\/40 Lower \/ Long 115-140 mm","offer_id":51851482956009,"sku":"ZSEC49L-G1-L-BLK-B","price":86.2,"currency_code":"USD","in_stock":true},{"title":"EC44\/28.6 Upper, EC44\/40 Lower \/ Long 115-140 mm","offer_id":51851482988777,"sku":"ECEC44L-G1-L-BLK-B","price":86.2,"currency_code":"USD","in_stock":true},{"title":"EC44\/28.6 Upper, EC44\/40 Lower \/ Short 90-114 mm","offer_id":51851483021545,"sku":"ECEC44L-G1-S-BLK-B","price":86.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT_Geoshift_ZSZS56L-G1-S-BLK-B.jpg?v=1788916453"},{"product_id":"wolf-tooth-premium-zs-headsets-zero-stack","title":"Wolf Tooth Premium ZS Headsets - Zero Stack","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"\/products\/compression-plug\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Wolf Tooth Headset parts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_stainless_Labels_de8400a9-3e5d-4418-bae4-2808f9566c7b.jpg?v=1744818947\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight stem cap with integrated spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e6, 15 and 25 mm stack height top cover options  (6mm cover = 6mm total stack, 15mm cover = 15 total stack, 25mm cover = 25mm total stack).\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eAll components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003ewill help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wolf-tooth-performance-zs-headsets-zero-stack\"\u003ePerformance ZS Headset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e55-58g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Black","offer_id":51851484791017,"sku":"ZS44U-5MM-BLK","price":74.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Red","offer_id":51851484823785,"sku":"ZS44U-5MM-RED","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Blue","offer_id":51851484856553,"sku":"ZS44U-5MM-BLU","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Orange","offer_id":51851484889321,"sku":"ZS44U-5MM-ORG","price":74.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Gold","offer_id":51851484922089,"sku":"ZS44U-5MM-GLD","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Raw Silver","offer_id":51851484954857,"sku":"ZS44U-5MM-RSIL","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Ultraviolet Purple","offer_id":51851484987625,"sku":"ZS44U-5MM-PRU","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 15mm Stack \/ Black","offer_id":51851485020393,"sku":"ZS44U-15MM-BLK","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 25mm Stack \/ Black","offer_id":51851485053161,"sku":"ZS44U-25MM-BLK","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 25mm Stack \/ Red","offer_id":51851485085929,"sku":"ZS44U-25MM-RED","price":69.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ ZS44\/28.6 25mm Stack \/ Gold","offer_id":51851485118697,"sku":"ZS44U-25MM-GLD","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Black","offer_id":51851485151465,"sku":"ZS56L-40-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Red","offer_id":51851485184233,"sku":"ZS56L-40-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Blue","offer_id":51851485217001,"sku":"ZS56L-40-BLU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Orange","offer_id":51851485249769,"sku":"ZS56L-40-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Gold","offer_id":51851485282537,"sku":"ZS56L-40-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Raw Silver","offer_id":51851485315305,"sku":"ZS56L-40-RSIL","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Ultraviolet Purple","offer_id":51851485348073,"sku":"ZS56L-40-PRU","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT-ZS44U-5MM-BLU-01.jpg?v=1788916453"},{"product_id":"wolf-tooth-premium-ec-headsets-external-cup","title":"Wolf Tooth Premium EC Headsets - External Cup","description":"\u003cp\u003eWolf Tooth headsets are machined in the USA with aircraft-grade 6061 aluminum. Our headsets have three levels of superior custom sealing to protect bearings from the elements and prolong the life of the headset. They are designed to be lightweight, strong, and durable. Available in a variety of colors. These EC headsets are for frames with external bearing cups, which places the bearing outside of the frame with these headsets. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStack height designation for EC headsets includes 10mm cup (see tech specs).\u003c\/li\u003e\n\u003cli\u003eAny frame that uses an external cup headset with a 34mm upper head tube. inner diameter and 34mm, 44mm, or 49mm lower head tube inner diameter\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"\/products\/compression-plug\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eA \u003ca title=\"Crown Race Adapter\" href=\"\/products\/crown-race-adapters\"\u003ecrown race adapter\u003c\/a\u003e \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e(sold separately)\u003c\/span\u003ewill allow you to use forks with smaller 1-1\/8\" or 1-1\/4\" steerer tubes with a larger 1-1\/2\" bottom headset cup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"gmail-il\"\u003eEC34 Lowers are not compatible with Surly 1-1\/8\" straight steerer\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"gmail-il\"\u003eforks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_stainless_Labels_de8400a9-3e5d-4418-bae4-2808f9566c7b.jpg?v=1744818947\" alt=\"Wolf Tooth Headset parts\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap With Integrated Spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e5mm cover = 16mm total stack, 15mm cover = 25mm total stack, 25mm cover = 35mm total stack.\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around the steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003e12.25mm stack.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e will help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wolf-tooth-performance-ec-headsets-external-cup\"\u003ePerformance EC Headset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003eEC44 lower • 45g\u003cstrong\u003e  | \u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC49 lower •  54g\u003cstrong\u003e  | \u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC34 lower • 37g \u003cstrong\u003e |\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC34 5mm upper • 64g\u003cstrong\u003e  |\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eEC34 15mm Upper • 70g \u003cstrong\u003e | \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEC34 25mm upper • 79g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e2-3 Nm with light grease on threads only\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Black","offer_id":51851485380841,"sku":"EC34U-5MM-BLK","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Red","offer_id":51851485413609,"sku":"EC34U-5MM-RED","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Blue","offer_id":51851485446377,"sku":"EC34U-5MM-BLU","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Orange","offer_id":51851485479145,"sku":"EC34U-5MM-ORG","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Gold","offer_id":51851485511913,"sku":"EC34U-5MM-GLD","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Raw Silver","offer_id":51851485544681,"sku":"EC34U-5MM-RSIL","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Ultraviolet Purple","offer_id":51851485577449,"sku":"EC34U-5MM-PRU","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 25mm Stack \/ Black","offer_id":51851485610217,"sku":"EC34U-15MM-BLK","price":69.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ EC34\/28.6 35mm Stack \/ Black","offer_id":51851485675753,"sku":"EC34U-25MM-BLK","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 35mm Stack \/ Gold","offer_id":51851485708521,"sku":"EC34U-25MM-GLD","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Black","offer_id":51851485741289,"sku":"EC34L-30-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Red","offer_id":51851485774057,"sku":"EC34L-30-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Blue","offer_id":51851485806825,"sku":"EC34L-30-BLU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Orange","offer_id":51851485839593,"sku":"EC34L-30-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Gold","offer_id":51851485872361,"sku":"EC34L-30-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Raw Silver","offer_id":51851485905129,"sku":"EC34L-30-RSIL","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Ultraviolet Purple","offer_id":51851485937897,"sku":"EC34L-30-PRU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Black","offer_id":51851485970665,"sku":"EC44L-40-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Red","offer_id":51851486003433,"sku":"EC44L-40-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Blue","offer_id":51851486036201,"sku":"EC44L-40-BLU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Orange","offer_id":51851486068969,"sku":"EC44L-40-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Gold","offer_id":51851486101737,"sku":"EC44L-40-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Raw Silver","offer_id":51851486134505,"sku":"EC44L-40-RSIL","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Lower \/ EC44\/40 \/ Ultraviolet Purple","offer_id":51851486167273,"sku":"EC44L-40-PRU","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Lower \/ EC49\/40 \/ Black","offer_id":51851486200041,"sku":"EC49L-40-BLK","price":59.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC49\/40 \/ Red","offer_id":51851486232809,"sku":"EC49L-40-RED","price":59.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC49\/40 \/ Orange","offer_id":51851486265577,"sku":"EC49L-40-ORG","price":59.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC49\/40 \/ Gold","offer_id":51851486298345,"sku":"EC49L-40-GLD","price":59.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT-EC34U-5MM-RED-01_26f9d910-2561-4138-a1be-df31a13b401b.jpg?v=1788916454"},{"product_id":"wolf-tooth-performance-zs-headsets-zero-stack","title":"Wolf Tooth Performance ZS Headsets - Zero Stack","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Performance Headsets with Enduro black oxide bearings have a one-year warranty. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. \u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately.\u003c\/li\u003e\n\u003cli\u003eEnduro black oxide steel sealed bearings included on both the upper and lower. \u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"\/products\/compression-plug\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Wolf Tooth Headset parts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Top_blackoxide_Labels_f4fe775e-249c-4d6e-9420-d31d0dca75f4.jpg?v=1744818977\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight stem cap with integrated spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e6mm top cover = 6mm total stack.\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eAll components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e will help avoid damage to crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wolf-tooth-premium-zs-headsets-zero-stack\"\u003ePremium ZS Headsets\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e55-58g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Black","offer_id":51851486331113,"sku":"ZS44U-5MM-BLK-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Red","offer_id":51851486363881,"sku":"ZS44U-5MM-RED-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Blue","offer_id":51851486396649,"sku":"ZS44U-5MM-BLU-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Orange","offer_id":51851486429417,"sku":"ZS44U-5MM-ORG-B","price":54.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Gold","offer_id":51851486462185,"sku":"ZS44U-5MM-GLD-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Raw Silver","offer_id":51851486494953,"sku":"ZS44U-5MM-RSIL-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ ZS44\/28.6 6mm Stack \/ Ultraviolet Purple","offer_id":51851486527721,"sku":"ZS44U-5MM-PRU-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Black","offer_id":51851486560489,"sku":"ZS56L-40-BLK-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Red","offer_id":51851486593257,"sku":"ZS56L-40-RED-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Blue","offer_id":51851486626025,"sku":"ZS56L-40-BLU-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Orange","offer_id":51851486658793,"sku":"ZS56L-40-ORG-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Gold","offer_id":51851486691561,"sku":"ZS56L-40-GLD-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Raw Silver","offer_id":51851486724329,"sku":"ZS56L-40-RSIL-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ ZS56\/40 \/ Ultraviolet Purple","offer_id":51851486757097,"sku":"ZS56L-40-PRU-B","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT-ZS44U-5MM-GLD-01_f35d2c88-e9c2-4f14-8745-682c25221bfb.jpg?v=1788916453"},{"product_id":"wolf-tooth-premium-headsets-olive","title":"Wolf Tooth Premium Headsets - Olive","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold together as a set.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"\/products\/compression-plug\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Wolf Tooth Headset parts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_stainless_Labels_de8400a9-3e5d-4418-bae4-2808f9566c7b.jpg?v=1744818947\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight stem cap with integrated spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e6 mm stack height top cover only\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eAll components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003ewill help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wolf-tooth-performance-zs-headsets-zero-stack\"\u003ePerformance ZS Headset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e129-136g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca rel=\"noopener\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"Olive \/ ZS44 Upper ZS56 Lower Premium Headset","offer_id":51851493277929,"sku":"ZS44U-ZS56L-OLV","price":129.95,"currency_code":"USD","in_stock":true},{"title":"Olive \/ ZS44 Upper EC44 Lower Premium Headset","offer_id":51851493310697,"sku":"ZS44U-EC44L-OLV","price":129.95,"currency_code":"USD","in_stock":true},{"title":"Olive \/ EC34 Upper EC34 Lower Premium Headset","offer_id":51851493343465,"sku":"EC34U-EC34L-OLV","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT_EC34U-EC34L-OLV.jpg?v=1788916460"},{"product_id":"wolf-tooth-performance-ec-headsets-external-cup","title":"Wolf Tooth Performance EC Headsets - External Cup","description":"\u003cp\u003eWolf Tooth headsets are machined in the USA with aircraft-grade\u003cspan\u003e \u003c\/span\u003e6061 aluminum. Our Performance Headset is built to include a black oxide coated chromium steel bearing and a one year warranty. Our headsets stand above the rest with three levels of superior custom sealing to protect bearings from the elements and prolong the life of the headset. They are designed to be lightweight, strong, and durable. Available in a variety of colors. These EC headsets are for frames with external bearing cups, which places the bearing outside of the frame with these headsets.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStack height designation for EC headsets includes 10mm cup (see tech specs).\u003c\/li\u003e\n\u003cli\u003eAny frame that uses an external cup headset with a 34mm upper head tube inner diameter and 34mm, 44mm, or 49mm lower head tube inner diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately.\u003c\/li\u003e\n\u003cli\u003eEnduro black oxide sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a \u003ca href=\"\/products\/compression-plug\" title=\"compression plug for forks with carbon steerer tubes\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003cli\u003eA\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/products\/crown-race-adapters\" title=\"crown race adapter\"\u003ecrown race adapter\u003c\/a\u003e \u003cspan\u003e(sold separately) \u003c\/span\u003ewill allow you to use forks with smaller 1-1\/8\" or 1-1\/4\" steerer tubes with a larger 1-1\/2\" bottom headset cup\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"gmail-il\"\u003eEC34 Lowers are not compatible with Surly 1-1\/8\" straight steerer\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"gmail-il\"\u003eforks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" style=\"float: none;\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Top_blackoxide_Labels_f4fe775e-249c-4d6e-9420-d31d0dca75f4.jpg?v=1744818977\" alt=\"Wolf Tooth Headset parts\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap With Integrated Spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e5mm top cover = 16mm total stack\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around the steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003e12.25mm stack.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e will help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003cp\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need \u003ca href=\"\/products\/compression-plug\" title=\"compression plug for forks with carbon steerer tubes\"\u003ecompression plug\u003c\/a\u003e. (Never use a star nut on a carbon steerer tube).\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wolf-tooth-premium-ec-headsets-external-cup\"\u003ePremium EC Headsets\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e Weight: \u003c\/strong\u003eEC44 lower • 45g\u003cstrong\u003e  |  \u003c\/strong\u003eEC49 lower •  54g\u003cstrong\u003e  |  \u003c\/strong\u003eEC34 lower • 37g\u003cstrong\u003e  | \u003c\/strong\u003eEC34 5mm upper • 64g\u003cstrong\u003e  | \u003c\/strong\u003eEC34 15mm Upper • 70g\u003cstrong\u003e  |  \u003c\/strong\u003eEC34 25mm upper • 79g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca rel=\"noopener\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e2-3 Nm with light grease on threads only\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Black","offer_id":51851493834985,"sku":"EC34U-5MM-BLK-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Red","offer_id":51851493867753,"sku":"EC34U-5MM-RED-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Blue","offer_id":51851493900521,"sku":"EC34U-5MM-BLU-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Orange","offer_id":51851493933289,"sku":"EC34U-5MM-ORG-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Gold","offer_id":51851493966057,"sku":"EC34U-5MM-GLD-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Raw Silver","offer_id":51851493998825,"sku":"EC34U-5MM-RSIL-B","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ EC34\/28.6 16mm Stack \/ Ultraviolet Purple","offer_id":51851494031593,"sku":"EC34U-5MM-PRU-B","price":54.95,"currency_code":"USD","in_stock":false},{"title":"Lower \/ EC34\/30 \/ Black","offer_id":51851494064361,"sku":"EC34L-30-BLK-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Red","offer_id":51851494097129,"sku":"EC34L-30-RED-B","price":44.95,"currency_code":"USD","in_stock":false},{"title":"Lower \/ EC34\/30 \/ Blue","offer_id":51851494129897,"sku":"EC34L-30-BLU-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Orange","offer_id":51851494162665,"sku":"EC34L-30-ORG-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Gold","offer_id":51851494195433,"sku":"EC34L-30-GLD-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Raw Silver","offer_id":51851494228201,"sku":"EC34L-30-RSIL-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC34\/30 \/ Ultraviolet Purple","offer_id":51851494260969,"sku":"EC34L-30-PRU-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Black","offer_id":51851494293737,"sku":"EC44L-40-BLK-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Red","offer_id":51851494326505,"sku":"EC44L-40-RED-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Blue","offer_id":51851494359273,"sku":"EC44L-40-BLU-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Orange","offer_id":51851494392041,"sku":"EC44L-40-ORG-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Gold","offer_id":51851494424809,"sku":"EC44L-40-GLD-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC44\/40 \/ Raw Silver","offer_id":51851494457577,"sku":"EC44L-40-RSIL-B","price":44.95,"currency_code":"USD","in_stock":false},{"title":"Lower \/ EC44\/40 \/ Ultraviolet Purple","offer_id":51851494490345,"sku":"EC44L-40-PRU-B","price":44.95,"currency_code":"USD","in_stock":false},{"title":"Lower \/ EC49\/40 \/ Black","offer_id":51851494523113,"sku":"EC49L-40-BLK-B","price":39.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC49\/40 \/ Red","offer_id":51851494555881,"sku":"EC49L-40-RED-B","price":39.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC49\/40 \/ Orange","offer_id":51851494588649,"sku":"EC49L-40-ORG-B","price":39.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ EC49\/40 \/ Gold","offer_id":51851494621417,"sku":"EC49L-40-GLD-B","price":39.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT-EC34U-5MM-ORG-01_54dc2d82-922b-4eb3-ab03-4fc1e1ad076d.jpg?v=1788916462"},{"product_id":"wolf-tooth-premium-is-headsets-integrated-standard","title":"Wolf Tooth Premium IS Headsets - Integrated Standard","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These IS headsets are for frames with molded-in internal bearing cups. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses IS (Integrated Standard) headsets with 41mm upper and 52mm lower outer bearing diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately. \u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eIS42 is not compatible with Specialized mountain bikes or bikes using the Campagnolo Hiddenset standard\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/products\/compression-plug\" title=\"compression plug for forks with carbon steerer tubes\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cimg height=\"155\" width=\"155\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\"\u003e \u003cimg height=\"155\" width=\"155\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" style=\"float: none;\"\u003e \u003cimg height=\"155\" width=\"155\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" width=\"155\" height=\"186\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Wolf Tooth Headset parts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_stainless_Labels_de8400a9-3e5d-4418-bae4-2808f9566c7b.jpg?v=1744818947\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap with Integrated Spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e7, 15, and 25mm stack height top cover options (7mm cover = 8mm total stack, 15mm cover = 15mm total stack, 25mm cover = 25mm total stack.)\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003cli\u003ebearing top cap outer diameter 45.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eLower assembly features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIS lower headset consists of a bearing and crown race only. The crown race is black anodized and not visible when installed.\u003c\/li\u003e\n\u003cli\u003eCustom over-molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eHeadset components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eService and additional parts available.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003ewill help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wolf-tooth-performance-is-headsets-integrated-standard\"\u003ePerformance IS Headsets\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 7mm • 52g  |  15mm • 59g  |  25mm • 66g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca rel=\"noopener\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_30.2X41X6.5_FOR_WEBSITE_1.pdf?v=1740513597\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Black","offer_id":51851497668841,"sku":"IS41U-5MM-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Red","offer_id":51851497701609,"sku":"IS41U-5MM-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Blue","offer_id":51851497734377,"sku":"IS41U-5MM-BLU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Orange","offer_id":51851497767145,"sku":"IS41U-5MM-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Gold","offer_id":51851497799913,"sku":"IS41U-5MM-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Raw Silver","offer_id":51851497832681,"sku":"IS41U-5MM-RSIL","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Ultraviolet Purple","offer_id":51851497865449,"sku":"IS41U-5MM-PRU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Black","offer_id":51851497898217,"sku":"IS42U-5MM-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Red","offer_id":51851497930985,"sku":"IS42U-5MM-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Blue","offer_id":51851497963753,"sku":"IS42U-5MM-BLU","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Orange","offer_id":51851497996521,"sku":"IS42U-5MM-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Gold","offer_id":51851498029289,"sku":"IS42U-5MM-GLD","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Raw Silver","offer_id":51851498062057,"sku":"IS42U-5MM-RSIL","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Ultraviolet Purple","offer_id":51851498094825,"sku":"IS42U-5MM-PRU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ IS52\/40 \/ Black","offer_id":51851498127593,"sku":"IS52L-40","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT_IS_7M_BLK_01.jpg?v=1788916466"},{"product_id":"wolf-tooth-performance-is-headsets-integrated-standard","title":"Wolf Tooth Performance IS Headsets - Integrated Standard","description":"\u003cp\u003eWolf Tooth headsets are machined in the USA with aircraft-grade 6061 aluminum. Our Performance Headsets are built with Enduro black oxide bearing and have a one-year warranty. Our headsets have three levels of superior custom sealing to protect bearings from the elements and prolong the life of the headset. They are designed to be lightweight, strong, and durable. Available in a variety of colors. These IS headsets are for frames with molded-in internal bearing cups.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses IS (Integrated Standard) headsets with 41mm upper and 52mm lower outer bearing diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold separately. \u003c\/li\u003e\n\u003cli\u003eEnduro black oxide steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"compression plug for forks with carbon steerer tubes\" href=\"\/products\/compression-plug\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Wolf Tooth Headset parts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Top_blackoxide_Labels_f4fe775e-249c-4d6e-9420-d31d0dca75f4.jpg?v=1744818977\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight Stem Cap With Integrated Spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e7mm top cover = 8mm total stack.\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003cli\u003ebearing top cap outer diameter 45.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eLower assembly features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIS lower headset consists of a bearing and crown race only. The crown race is black anodized and not visible when installed.\u003c\/li\u003e\n\u003cli\u003eCustom over-molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eHeadset components precision machined in-house at Wolf Tooth from aircraft-grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eService and additional parts available.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e will help avoid damage to crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wolf-tooth-premium-is-headsets-integrated-standard\"\u003ePremium IS Headsets\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 7mm • 52g \u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Black","offer_id":51851515298025,"sku":"IS41U-5MM-BLK-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Red","offer_id":51851515330793,"sku":"IS41U-5MM-RED-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Blue","offer_id":51851515363561,"sku":"IS41U-5MM-BLU-B","price":44.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Orange","offer_id":51851515396329,"sku":"IS41U-5MM-ORG-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Gold","offer_id":51851515429097,"sku":"IS41U-5MM-GLD-B","price":44.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Raw Silver","offer_id":51851515461865,"sku":"IS41U-5MM-RSIL-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Ultraviolet Purple","offer_id":51851515494633,"sku":"IS41U-5MM-PRU-B","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ IS52\/40 \/ Black","offer_id":51851515527401,"sku":"IS52L-40-B","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT_IS_7M_BlackOxide_BLK_01.jpg?v=1788916515"},{"product_id":"compression-plug","title":"Compression Plug","description":"\u003cp\u003eThis compression plug provides an anchor point to set the headset preload on road, MTB, or gravel bikes with carbon forks. It is important to use a compression plug – aka expander plug – in forks with a carbon steerer tube instead of a star nut. Pair this with a Wolf Tooth stem cap for a bit of color.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eForks with 1 1\/8\" steerer tubes.\u003c\/li\u003e\n\u003cli\u003eDesigned for carbon steerer tubes but works with metal steerer tubes\u003c\/li\u003e\n\u003cli\u003eCompatible with ID from 23.5mm to 24.5mm steerer tubes\u003c\/li\u003e\n\u003cli\u003eNever use a star nut on forks with carbon steerers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e 26\u003c\/span\u003eg\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eInsertion Depth:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e 28mm\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cstrong\u003e\u003cstrong data-mce-fragment=\"1\"\u003eExpansion Bolt Torque Spec:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003e5-7 Nm\u003cstrong\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"1 1\/8\" Steerer","offer_id":51851513364713,"sku":"WT-CPLUG","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT_HeadsetExpander_01.jpg?v=1788916513"},{"product_id":"crown-race-adapters","title":"Crown Race Adapters","description":"\u003cp\u003eWolf Tooth Crown Race Adapters allow the use of forks with 1 1\/8\" or 1 1\/4\" steerer tube diameters in headsets\n    designed for 1 1\/2\" steerer tubes. Many dual-crown suspensions forks such as the RockShox Boxxer or Fox 40 use\n    non-tapered 1 1\/8\" steerers, and require a 1 1\/8\" to 1 1\/2\" adapter crown race for use in frames designed for a\n    tapered steerer.  Some road, CX, and bikepacking forks have 1 1\/4\" lower steerer tube diameters that would require\n    an adapter to use a headset with a 1 1\/2\" lower headset cup.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eCompatible with all Wolf Tooth headsets that have 1 1\/2\" lower headset cups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n        Wolf Tooth\n            Headsets \n    \u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\" title=\"Wolf Tooth Crown Race Installation Adapter\"\u003eWolf Tooth Crown Race Installation Adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003c\/strong\u003e  15g\u003cbr\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e 7075-T6\naluminum\u003c\/p\u003e\nPatent and trademark\n    information","brand":"Wolf Tooth Components","offers":[{"title":"Adapter 1 1\/4\" Steerer to 1 1\/2\" bearing cup","offer_id":51851519426793,"sku":"HS-CR40-33","price":14.95,"currency_code":"USD","in_stock":true},{"title":"Adapter 1 1\/8\" Steerer to 1 1\/2\" bearing cup","offer_id":51851519459561,"sku":"HS-CR40-30","price":10.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT_HS-CR40-30.jpg?v=1788916522"},{"product_id":"wolf-tooth-premium-ec44-internal-aero-headset-for-enve-in-route-system","title":"Wolf Tooth Premium EC44 Internal Aero Headset for ENVE IN-Route System","description":"\u003cp\u003eWolf Tooth Premium Internal Headsets for ENVE IN-Route System are designed and machined right here in our Minnesota headquarters with aircraft-grade 6061 aluminum. They are designed to have an ultra-low stack height, to be lightweight, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. Premium Headsets with Enduro stainless steel bearings carry a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the ENVE IN-Route System with a 44mm straight headtube and a 1-1\/8” to 1.5” tapered steerer tube\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(FITS ONLY ENVE In-Route System)\u003c\/strong\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eUse top cap and split spacers provided with ENVE stems and one-piece cockpits.\u003c\/li\u003e\n\u003cli\u003eUse the compression plug that comes with your fork.\u003c\/li\u003e\n\u003cli\u003eSold as a complete upper and lower EC44 Headset.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel bearings included.\u003c\/li\u003e\n\u003cli\u003eTwo 0.5mm spacers are included to dial in headset compression if necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTotal Stack Upper Headset - 15.8mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTotal Stack Lower Headset - 12.25mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFor Headtube Internal Diameter - 44mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCup External Diameter - 56.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWeights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eUpper Headset - 69g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLower Headset - 47g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eComplete Headset - 116g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eBevel Angle: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" rel=\"noopener\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePremium Enduro stainless steel bearings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in seven Wolf Tooth anodized colors to match other Wolf Tooth components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInternal o-ring top cap seal prevents water intrusion around the steerer tube.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom-molded upper cup lip seal provides additional protection for the upper bearing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCustom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e Patent and trademark information\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/seatpost-clamp\" title=\"Seatpost Clamps Hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eSeatpost Clamp\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eCenterlock Rotor Lockrings\u003c\/li\u003e\n\u003cli\u003eAero Chainrings\u003c\/li\u003e\n\u003cli\u003eLoneWolf Aero Chainguide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cmeta charset=\"utf-8\"\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Wolf Tooth color shop - choose color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShop_Icon_076a0ed1-d684-47b3-9dd7-e0bb13561f8c_160x160.jpg?v=1747163023\"\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"EC44 Upper \u0026 Lower Set \/ Gold","offer_id":51851542528233,"sku":"EC44U-L-IR-GLD","price":219.95,"currency_code":"USD","in_stock":true},{"title":"EC44 Upper \u0026 Lower Set \/ Orange","offer_id":51851542561001,"sku":"EC44U-L-IR-ORG","price":219.95,"currency_code":"USD","in_stock":true},{"title":"EC44 Upper \u0026 Lower Set \/ Red","offer_id":51851542593769,"sku":"EC44U-L-IR-RED","price":219.95,"currency_code":"USD","in_stock":true},{"title":"EC44 Upper \u0026 Lower Set \/ Ultraviolet Purple","offer_id":51851542626537,"sku":"EC44U-L-IR-PRU","price":219.95,"currency_code":"USD","in_stock":true},{"title":"EC44 Upper \u0026 Lower Set \/ Blue","offer_id":51851542659305,"sku":"EC44U-L-IR-BLU","price":219.95,"currency_code":"USD","in_stock":true},{"title":"EC44 Upper \u0026 Lower Set \/ Raw Silver","offer_id":51851542692073,"sku":"EC44U-L-IR-RSIL","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Black","offer_id":51851542724841,"sku":"EC44U-L-IR-BLK","price":219.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/EC44U-L-IR-RSIL_EC44L-40.jpg?v=1788916575"},{"product_id":"wolf-tooth-premium-is52-internal-aero-headset-for-enve-in-route-system","title":"Wolf Tooth Premium IS52 Internal Aero Headset for ENVE IN-Route System","description":"\u003cp\u003eWolf Tooth Premium Internal Headsets for ENVE IN-Route System are designed and machined right here in our Minnesota headquarters with aircraft-grade 6061 aluminum. They are designed to have an ultra-low stack height, to be lightweight, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. Premium Headsets with Enduro stainless steel bearings carry a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the ENVE IN-Route System and compatible with bikes that use an IS52 upper \/ lower headset and a 1-1\/8” to 1.5” tapered steerer tube\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(FITS ONLY ENVE In-Route System)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUse top cap and split spacers provided with ENVE stems and one-piece cockpits.\u003c\/li\u003e\n\u003cli\u003eUse the compression plug that comes with your fork.\u003c\/li\u003e\n\u003cli\u003eSold as a complete upper and lower IS52 Headset.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel bearings included.\u003c\/li\u003e\n\u003cli\u003eTwo 0.5mm spacers are included to dial in headset compression if necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTotal Stack Upper Headset - 3.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTotal Stack Lower Headset - 0mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFor Headtube Internal Diameter - 52mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e52mm 36x45 Upper And Lower Bearings\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWeights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eUpper Headset - 50g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLower Headset - 28g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eComplete Headset - 78g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePremium Enduro stainless steel bearings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in seven Wolf Tooth anodized colors to match other Wolf Tooth components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned with the Wolf Tooth triple-sealed system present on all other Wolf Tooth headsets:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInternal o-ring top cap seal prevents water intrusion around the steerer tube.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom-molded upper cup lip seal provides additional protection for the upper bearing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCustom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eContact sales@wolftoothcomponents.com for fitment and compatibility questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e Patent and trademark information\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/seatpost-clamp\" title=\"Seatpost Clamps Hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eSeatpost Clamp\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eCenterlock Rotor Lockrings\u003c\/li\u003e\n\u003cli\u003eAero Chainrings\u003c\/li\u003e\n\u003cli\u003eLoneWolf Aero Chainguide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\" style=\"text-align: left;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" width=\"155\" height=\"155\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\" alt=\"\" width=\"155\" height=\"155\"\u003e \u003cimg height=\"186\" width=\"155\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\"\u003e\n\u003c\/div\u003e","brand":"Wolf Tooth Components","offers":[{"title":"IS52 Upper \u0026 Lower Set \/ Black","offer_id":51851554357481,"sku":"IS52U-L-IR-BLK","price":179.95,"currency_code":"USD","in_stock":false},{"title":"IS52 Upper \u0026 Lower Set \/ Red","offer_id":51851554390249,"sku":"IS52U-L-IR-RED","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Blue","offer_id":51851554423017,"sku":"IS52U-L-IR-BLU","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Gold","offer_id":51851554455785,"sku":"IS52U-L-IR-GLD","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Orange","offer_id":51851554488553,"sku":"IS52U-L-IR-ORG","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Raw Silver","offer_id":51851554521321,"sku":"IS52U-L-IR-RSIL","price":179.95,"currency_code":"USD","in_stock":true},{"title":"IS52 Upper \u0026 Lower Set \/ Ultraviolet Purple","offer_id":51851554554089,"sku":"IS52U-L-IR-PRU","price":179.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/IS52U-L-IR-BLK.jpg?v=1788916586"},{"product_id":"wolf-tooth-premium-headsets-espresso","title":"Wolf Tooth Premium Headsets – Espresso","description":"\u003cp\u003eWolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These ZS headsets are for frames with internal bearing cups that are pressed into the frame. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAny frame that uses ZS (Zero Stack) headsets with 44mm upper and 56mm lower head tube inner diameter.\u003c\/li\u003e\n\u003cli\u003eUppers and lowers sold together as a set.\u003c\/li\u003e\n\u003cli\u003eEnduro stainless steel sealed bearings included on both the upper and lower.\u003c\/li\u003e\n\u003cli\u003eUpper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/products\/compression-plug\" title=\"compression plug for forks with carbon steerer tubes\"\u003ecompression plug\u003c\/a\u003e (sold separately). (Never use a star nut on a carbon steerer tube).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003cimg height=\"155\" width=\"155\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\"\u003e \u003cimg height=\"155\" width=\"155\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ReplacementParts-Headset_160x160.jpg?v=1590086563\" style=\"float: none;\"\u003e \u003cimg height=\"155\" width=\"155\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/Headset_Tech_c3897e65-a523-4350-8aff-9290078bc929_480x480.jpg?v=1590091876\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShopButton_0c05b716-d5a6-41e3-9306-7c5aba20041f_480x480.jpg?v=1650986151\" alt=\"Color Shop - Choose Wolf Tooth anodized color components for your bike\" width=\"155\" height=\"186\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Wolf Tooth Headset parts\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/WT_Headset_stacked_Bottom_stainless_Labels_de8400a9-3e5d-4418-bae4-2808f9566c7b.jpg?v=1744818947\"\u003e\u003c\/div\u003e\n\u003cp\u003eUpper assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltralight stem cap with integrated spacer plus an aluminum bolt and a star nut.\u003c\/li\u003e\n\u003cli\u003e6 mm stack height top cover only\u003c\/li\u003e\n\u003cli\u003eO-ring seal prevents water intrusion around steerer tube.\u003c\/li\u003e\n\u003cli\u003eCustom-molded upper lip seal provides additional protection for upper bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLower assembly features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions.\u003c\/li\u003e\n\u003cli\u003eAll components precision machined in-house at Wolf Tooth from aircraft grade aluminum to ensure the highest level of quality.\u003c\/li\u003e\n\u003cli\u003eService and additional parts available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommendations\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003cspan\u003e \u003c\/span\u003e\u003c\/a\u003ewill help avoid damaging the crown race seals.\u003c\/p\u003e\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/precision-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wolf-tooth-performance-zs-headsets-zero-stack\"\u003ePerformance ZS Headset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e55-58g\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e 6061 aluminum\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBevel Angle: \u003c\/strong\u003e\u003ca rel=\"noopener\" title=\"PDF drawing showing the headset bearing dimensions including the bevel angle\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_DIMENSIONS.PDF?v=1739574989\" target=\"_blank\"\u003e36 x 45 degrees\u003c\/a\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStem Cap Bolt Torque Spec:\u003c\/strong\u003e 2-3 Nm with light grease on threads only\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in the\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePatent and trademark information\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"Upper and Lower \/ ZS44\/28.6 6mm Stack Upper \/ ZS56 Lower \/ Espresso","offer_id":51851555209449,"sku":"ZS44U-ZS56L-ESP","price":129.95,"currency_code":"USD","in_stock":true},{"title":"Upper and Lower \/ ZS44\/28.6 6mm Stack Upper \/ EC44 Lower \/ Espresso","offer_id":51851555242217,"sku":"ZS44U-EC44L-ESP","price":129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/WT_ZS44U-EC44L-ESP.png?v=1788916589"},{"product_id":"aheadset-star-nuts","title":"Aheadset Star Nuts","description":"","brand":"AheadSet","offers":[{"title":"Default Title","offer_id":51926474621161,"sku":"HEA39129942N","price":2.0,"currency_code":"USD","in_stock":true}]},{"product_id":"cane-creek-hcr-headset-is52-28-6is52-40-black","title":"Cane Creek HCR Headset IS52\/28.6IS52\/40 Black","description":"","brand":"Cane Creek","offers":[{"title":"Default Title","offer_id":51926476161257,"sku":"HCR28370655K","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/HCR_IS52_Complete.jpg?v=1790814287"},{"product_id":"full-speed-ahead-fsa-dx-pro-1-5-acb-isec-crown-race","title":"Full Speed Ahead Fsa Dx Pro 1.5 Acb Isec Crown Race","description":"","brand":"Full Speed Ahead","offers":[{"title":"Default Title","offer_id":51926477766889,"sku":"FSA26981237E","price":9.0,"currency_code":"USD","in_stock":true}]},{"product_id":"generic-headset-vp-mh312at-28-6mm-zs-lower-threaded-upper-black","title":"Generic Headset Vp-Mh312At 28.6Mm Zs Lower\/Threaded Upper Black","description":"","brand":"Generic","offers":[{"title":"Default Title","offer_id":51926479044841,"sku":"HEA46971596K","price":18.99,"currency_code":"USD","in_stock":true}]},{"product_id":"trek-headset-part-trek-integrated-steerer-stop","title":"Trek Headset Part Trek Integrated Steerer Stop","description":"","brand":"Trek","offers":[{"title":"Default Title","offer_id":51926485893353,"sku":"HEA36581240P","price":9.99,"currency_code":"USD","in_stock":true}]},{"product_id":"chris-king-dropset-3-headset","title":"Chris King DropSet 3 Headset","description":"\u003cp\u003eThe DropSet 3 Headset features the GripLock™ bearing cap that preloads the headset independently of clamping onto the steerer, so it retains preload far better than other headset designs. The DropSet 3 is impervious to the ill effects of load spikes from large hits and heavy braking. This means smoother steering, no more creaking, and a longer lasting headset.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGripLock™ design also takes the guesswork out of preloading a headset, because the bearing preload force is independent of the clamping force\u003c\/li\u003e\n\u003cli\u003eDropSet 3 headsets can be preloaded to a torque spec\u003c\/li\u003e\n\u003cli\u003e41mm 45x45 upper bearing \/ 52mm 36x45 lower bearing\u003c\/li\u003e\n\u003cli\u003eDropSet 3 headsets with their legendary made-in-house bearings are engineered, manufactured and assembled in Portland, Oregon USA\u003c\/li\u003e\n\u003cli\u003eIncludes baseplate and 36 degree integrated crown races\u003c\/li\u003e\n\u003cli\u003eFeatures the King Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chris King","offers":[{"title":"1-1\/8 - 1.5\", 41\/52mm, 36 Deg, Matte Jade","offer_id":67663031894249,"sku":"HD0439","price":180.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 41\/52mm, 36 Deg, Matte Jade, Ceramic","offer_id":67663031927017,"sku":"HD0440","price":300.0,"currency_code":"USD","in_stock":false},{"title":"1-1\/8 - 1.5\", 41\/52mm, 36 Deg, Black","offer_id":67663031959785,"sku":"HD0976","price":180.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 41\/52mm, 36 Deg, Matte Black","offer_id":67663031992553,"sku":"HD0977","price":180.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 41\/52mm, 36 Deg, Matte Turquoise","offer_id":67663032025321,"sku":"HD0980","price":180.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 41\/52mm, 36 Deg, Red","offer_id":67663032058089,"sku":"HD0982","price":180.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 41\/52mm, 36 Deg, Silver","offer_id":67663032090857,"sku":"HD0983","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/HD0980.jpg?v=1791772425"},{"product_id":"chris-king-dropset-2-headset","title":"Chris King DropSet 2 Headset","description":"\u003cp\u003eThe DropSet 2 Headset features the GripLock™ bearing cap that preloads the headset independently of clamping onto the steerer, so it retains preload far better than other headset designs. The DropSet 2 is impervious to the ill effects of load spikes from large hits and heavy braking. This means smoother steering, no more creaking, and a longer lasting headset.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePatented GripLock retention design for exclusively reliable headset adjustment\u003c\/li\u003e\n\u003cli\u003e42mm 45x45 upper bearing\u003c\/li\u003e\n\u003cli\u003e52mm 45x45 lower bearing\u003c\/li\u003e\n\u003cli\u003eCompatible with King baseplate and 45 degree integrated crown races\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chris King","offers":[{"title":"1-1\/8 - 1.5\", 42\/52mm, 45 Deg, Matte Jade","offer_id":67663033073897,"sku":"HD0438","price":180.0,"currency_code":"USD","in_stock":false},{"title":"1-1\/8 - 1.5\", 42\/52mm, 45 Deg, Black","offer_id":67663033106665,"sku":"HD0969","price":180.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 42\/52mm, 45 Deg, Matte Black","offer_id":67663033139433,"sku":"HD0970","price":180.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 42\/52mm, 45 Deg, Matte Turquoise","offer_id":67663033172201,"sku":"HD0973","price":180.0,"currency_code":"USD","in_stock":false},{"title":"1-1\/8 - 1.5\", 42\/52mm, 45 Deg, Red","offer_id":67663033204969,"sku":"HD0975","price":180.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/HD7791.jpg?v=1791772429"},{"product_id":"chris-king-gripnut-sotto-voce-headset","title":"Chris King GripNut Sotto Voce Headset","description":"\u003cp\u003eThe King GripNut Headset is designed for threaded steerer that don’t require a cable hanger or additional spacers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCollet locking system stays securely adjusted\u003c\/li\u003e\n\u003cli\u003eKing made-in-house bearings\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chris King","offers":[{"title":"1-1\/8\", Sotto Voce Black","offer_id":67663034548457,"sku":"HD0934","price":210.0,"currency_code":"USD","in_stock":false},{"title":"1-1\/8\", Sotto Voce Silver","offer_id":67663034581225,"sku":"HD0935","price":210.0,"currency_code":"USD","in_stock":false},{"title":"1\", Sotto Voce Black","offer_id":67663034613993,"sku":"HD0937","price":210.0,"currency_code":"USD","in_stock":true},{"title":"1\", Sotto Voce Silver","offer_id":67663034646761,"sku":"HD0938","price":210.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/HD7916.jpg?v=1791772431"},{"product_id":"chris-king-inset-2-headset","title":"Chris King InSet 2 Headset","description":"\u003cp\u003eInSet 2 combines legendary performance in a precision low stack tapered 44mm\/56mm headset. The InSet 2 is equipped with in-house built bearings and is designed to give riders the option of a low stack height and effortless hassle-free performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInSet 2 has 44mm upper internal cup, 56mm lower internal cup, 1.5\" baseplate\u003c\/li\u003e\n\u003cli\u003eEngineered, manufactured and assembled in Portland, Oregon USA\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for a 44mm\/56mm tapered headtube and a 1-1\/8” to 1.5” tapered steerer tube\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chris King","offers":[{"title":"1-1\/8 - 1.5\", 44\/56mm, Matte Jade","offer_id":67663036121321,"sku":"HD0433","price":210.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 44\/56mm, Black","offer_id":67663036154089,"sku":"HD0939","price":210.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 44\/56mm, Matte Black","offer_id":67663036186857,"sku":"HD0940","price":210.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 44\/56mm, Matte Turquoise","offer_id":67663036219625,"sku":"HD0943","price":210.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8 - 1.5\", 44\/56mm, Red","offer_id":67663036252393,"sku":"HD0944","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/HD7706.jpg?v=1791772434"},{"product_id":"chris-king-nothreadset-sotto-voce-headset","title":"Chris King NoThreadset Sotto Voce Headset","description":"\u003cp\u003eThe classic, iconic, legendary, gold standard of headsets. These changed the headset landscape from one of disposability to one of precision and dependability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKing made-in-house bearings\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chris King","offers":[{"title":"1-1\/8\", Sotto Voce Black","offer_id":67663038021865,"sku":"HD0961","price":210.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8\", Sotto Voce Red","offer_id":67663038054633,"sku":"HD0962","price":210.0,"currency_code":"USD","in_stock":true},{"title":"1-1\/8\", Sotto Voce Silver","offer_id":67663038087401,"sku":"HD0963","price":210.0,"currency_code":"USD","in_stock":true},{"title":"1\", Sotto Voce Black","offer_id":67663038120169,"sku":"HD0965","price":210.0,"currency_code":"USD","in_stock":true},{"title":"1\", Sotto Voce Red","offer_id":67663038152937,"sku":"HD0966","price":210.0,"currency_code":"USD","in_stock":false},{"title":"1\", Sotto Voce Silver","offer_id":67663038185705,"sku":"HD0967","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4161\/7129\/files\/HD7951.jpg?v=1791772437"},{"product_id":"chris-king-nothreadset-bold-headset","title":"Chris King NoThreadSet Bold Headset","description":"\u003cp\u003eFor decades the Chris King NoThreadSet™ set the standard for quality headset function delivering precision performance to numerous world champions, grand tour winners, and aspiring riders around the world. 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