{"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 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 title=\"compression plug for forks with carbon steerer tubes\" href=\"https:\/\/www.wolftoothcomponents.com\/collections\/headset-related\/products\/wolf-tooth-precision-headset-small-parts?variant=7193253511203\"\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 \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-fitment-guide\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/MeasureHeadset_medium.jpg?v=1550605546\" alt=\"\" width=\"155\" height=\"155\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-precision-headset-small-parts\"\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\u003c\/a\u003e \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/headset-technical-information\"\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\u003c\/a\u003e \u003ca title=\"Wolf Tooth color shop - choose color components for your bike\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\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\u003c\/a\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\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=\"https:\/\/www.wolftoothcomponents.com\/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=\"https:\/\/www.wolftoothcomponents.com\/products\/wolf-tooth-headset-spacers\"\u003ePrecision headset spacers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/products\/crown-race-installation-adapter\"\u003eWolf Tooth crown race installation adapter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/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 href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BEARING_HEADSET_30.2X41X6.5_FOR_WEBSITE_1.pdf?v=1740513597\" 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\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Black","offer_id":50682519978266,"sku":"IS41U-5MM-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Red","offer_id":50682520011034,"sku":"IS41U-5MM-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Blue","offer_id":50682520043802,"sku":"IS41U-5MM-BLU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Orange","offer_id":50682520076570,"sku":"IS41U-5MM-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Gold","offer_id":50682520109338,"sku":"IS41U-5MM-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Raw Silver","offer_id":50682520174874,"sku":"IS41U-5MM-RSIL","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS41\/28.6 7mm Stack \/ Ultraviolet Purple","offer_id":50682520207642,"sku":"IS41U-5MM-PRU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Black","offer_id":50682520502554,"sku":"IS42U-5MM-BLK","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Red","offer_id":50682520535322,"sku":"IS42U-5MM-RED","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Blue","offer_id":50682520568090,"sku":"IS42U-5MM-BLU","price":64.95,"currency_code":"USD","in_stock":false},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Orange","offer_id":50682520600858,"sku":"IS42U-5MM-ORG","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Gold","offer_id":50682520633626,"sku":"IS42U-5MM-GLD","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Raw Silver","offer_id":50682520666394,"sku":"IS42U-5MM-RSIL","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Upper \/ IS42\/28.6 7mm Stack \/ Ultraviolet Purple","offer_id":50682520699162,"sku":"IS42U-5MM-PRU","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Lower \/ IS52\/40 \/ Black","offer_id":50682520928538,"sku":"IS52L-40","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4163\/6122\/files\/WT_IS_15M_BLK_01.jpg?v=1748467446","url":"https:\/\/shop.howlerbikepark.com\/products\/wolf-tooth-premium-is-headsets-integrated-standard","provider":"Howler Bike Park","version":"1.0","type":"link"}