{"product_id":"drop-in-headset-kit","title":"Drop-In Headset Kit","description":"\u003cp\u003eThis Enduro Integrated\/Drop-In headset for 1-1\/8\" x 1-1\/2\" tapered fork steerer tubes features Angular Contact Bearings with chamfers, premium 440C balls and races,  and 90% fill with high-pressure waterproof grease. This top quality Drop-In headset is built for long-lasting durability thanks in part to the high performance bearings that are guaranteed for as long as you own the bike.\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eThis IS41\/IS52 Integrated\/Drop-In headset fits bikes with head tubes with 41mm top IDs and 52mm bottom IDs, bearings with 36°\/45° chamfers, and tapered (1-1\/8\" x 1-1\/2”) steerer forks\u003c\/li\u003e\n\u003cli\u003eFeatures top-quality 440C balls and races, dual-lip seals top and bottom, 90% fill with high-pressure waterproof grease, and are guaranteed for as long as you own the bike\u003c\/li\u003e\n\u003cli\u003eUpper 1-1\/8” bearing ACB 3645 SS (also known as 27287-1046-004, HSS0130K, TH-873E, \u0026amp; MR-122) with 30.2mm ID, 41mm OD, and a width of 6.5mm\u003c\/li\u003e\n\u003cli\u003eLower 1-1\/2\" bearing ACB 6808 SS (also known as HD 1404K, BAA0006K, MR-127, MR-196, MH-P25K, BAA1132, and TH MR019) with a 40mm ID, 52mm OD and a width of 6.5mm\u003c\/li\u003e\n\u003cli\u003eKit includes upper bearing cap, hidden bolt topcap preload adjuster, with 36° crown race and compression ring\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Enduro","offers":[{"title":"HDK-0013 Drop-In Headset Kit - IS41\/28.6 Upper | IS52\/40 Lower, 36x45, Angular Contact Bearings, Tapered, Black","offer_id":49330020286712,"sku":"HDK-0013","price":139.0,"currency_code":"USD","in_stock":true},{"title":"HDK-0011 Drop-In Headset Kit - IS42\/28.6 Upper | IS52\/40 Lower, 36x45, Angular Contact Bearings Tapered, Black","offer_id":49330020319480,"sku":"HDK-0011","price":139.0,"currency_code":"USD","in_stock":true},{"title":"HDK-0012 Drop-In Headset Kit - IS42\/28.6 Upper | IS52\/40 Lower, 45x45, Angular Contact Bearings, Tapered, Black","offer_id":49330020352248,"sku":"HDK-0012","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0357\/3930\/4074\/files\/HD0455.jpg?v=1781937518","url":"https:\/\/shopbikesupply.com\/products\/drop-in-headset-kit","provider":"Sierra Bicycle Supply","version":"1.0","type":"link"}