{"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 \u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/wolf-tooth-patents-and-trademarks\"\u003ePatent and trademark information\u003c\/a\u003e\u003c\/strong\u003e\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-seatpost-clamp\" title=\"Seatpost Clamps Hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eSeatpost Clamp\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/centerlock-rotor-lockrings\" title=\"Centerlock rotor lockrings collection hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eCenterlock Rotor Lockrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/aero-chainrings\" title=\"Aero chainrings collection page hyperlink\" rel=\"noopener\" target=\"_blank\"\u003eAero Chainrings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/collections\/chainguides\" title=\"GnarWolf and LoneWolf Aero Chainguide hyperlink.\" rel=\"noopener\" target=\"_blank\"\u003eLoneWolf Aero Chainguide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\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 \u003cmeta charset=\"utf-8\"\u003e\n\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\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\/a\u003e\u003ca title=\"Wolf Tooth color shop - choose color components for your bike\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"EC44 Upper \u0026 Lower Set \/ Gold","offer_id":44724465270818,"sku":"EC44U-L-IR-GLD","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Orange","offer_id":44724465303586,"sku":"EC44U-L-IR-ORG","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Red","offer_id":44724465336354,"sku":"EC44U-L-IR-RED","price":219.95,"currency_code":"USD","in_stock":true},{"title":"EC44 Upper \u0026 Lower Set \/ Ultraviolet Purple","offer_id":44724465369122,"sku":"EC44U-L-IR-PRU","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Blue","offer_id":44724465401890,"sku":"EC44U-L-IR-BLU","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Raw Silver","offer_id":44724465434658,"sku":"EC44U-L-IR-RSIL","price":219.95,"currency_code":"USD","in_stock":false},{"title":"EC44 Upper \u0026 Lower Set \/ Black","offer_id":44724465467426,"sku":"EC44U-L-IR-BLK","price":219.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/7940\/8674\/files\/EC44U-L-IR-BLU_EC44L-40.jpg?v=1767989772","url":"https:\/\/www.tonkacycleandski.com\/products\/wolf-tooth-premium-ec44-internal-aero-headset-for-enve-in-route-system","provider":"Tonka Cycles and Skis","version":"1.0","type":"link"}