{"product_id":"is-42-52-36x45-drop-in-headset","title":"IS 42\/52 36x45 Drop-In Headset","description":"\u003cp\u003eHDK-0011 - IS 42\/52 36x45 Drop-In headset kit\u003c\/p\u003e\u003cp\u003eThis IS42\/IS52 integrated\/drop-in headset fits bikes with head tubes with 42mm top IDs and 52mm bottom IDs, bearings with 36°\/45° chamfers, and tapered (1.125\" x 1.5”) steerer forks. Includes 440C stainless steel upper and lower bearings, upper bearing cap, hidden bolt topcap preload adjuster, with 36° crown race and compression ring.\u003c\/p\u003e\u003cp\u003eEnduro stainless headsets always feature 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\/p\u003e\u003cp\u003eThis headset features upper 1-1\/8” bearing ACB 3645 1125 SS (also known as IS42, ACB30418K, and MH-P03K) with 30.5mm ID, 41.8mm OD that features a step down to just under 41mm at the top of the outer race, and a width of 6.3mm, and lower 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. This headset should be a direct fit replacement, but if you need additional clearance\/stack, we also make spacers for both the upper (HD-120 included) and lower bearings (WA -36 1x150 available separately) to provide a little extra room between the fork or upper bearing cap and the bike’s head tube.\u003c\/p\u003e","brand":"Enduro Bearings","offers":[{"title":"Black","offer_id":57556118602072,"sku":"HDK-0011","price":129.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5247\/5224\/files\/51757-pm.jpg?v=1782247677","url":"https:\/\/www.leadoutperformance.co.uk\/products\/is-42-52-36x45-drop-in-headset","provider":"Leadout Performance","version":"1.0","type":"link"}