{"product_id":"enduro-bearings-acb-4545-4252-ss-angular-contact-headset-bearing-42x52x7mm-45","title":"Enduro Bearings ACB 4545 4252 SS Angular Contact Headset Bearing 42x52x7mm 45°","description":"\u003cp\u003eThe Enduro Bearings ACB 4545 4252 SS is a precision-engineered angular contact headset bearing, designed to deliver exceptional performance and durability in demanding cycling environments. Crafted from 440C stainless steel, this bearing offers superior corrosion resistance and longevity, making it ideal for riders who frequently encounter wet or harsh conditions. Its 42mm x 52mm x 7mm dimensions and 45° contact angle provide optimal support and smooth rotation, ensuring your headset operates flawlessly with minimal friction and wear.\u003c\/p\u003e\n\n\u003cp\u003eSpecifically designed for use as an upper bearing in Acros headsets with aero cable routing, the ACB 4545 4252 SS stands out for its robust construction and reliability. Enduro Bearings’ commitment to quality is evident in the use of high-grade 440C stainless steel balls and races, which undergo extensive heat and cryogenic treatments to maximize hardness, strength, and wear resistance. Complemented by LLB type seals and CRC Marine Grease, this bearing offers excellent waterproofing, protecting your bike’s headset from sweat, water, and environmental elements.\u003c\/p\u003e\n\n\u003cp\u003eEnduro’s angular contact bearings are engineered to evenly distribute load across all balls, reducing friction and prolonging service life. The combination of black oxide treated chromium steel races and the highest-grade stainless steel options makes this bearing a trusted choice among cyclists seeking durability and smooth performance. Whether you’re a daily commuter or a competitive rider, the ACB 4545 4252 SS is built to enhance your bike’s handling and reliability.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding superior corrosion resistance in wet or humid environments\u003c\/li\u003e\n  \u003cli\u003eEnsuring smooth, low-friction headset performance for precise steering control\u003c\/li\u003e\n  \u003cli\u003eWithstanding rigorous use thanks to high-strength 440C stainless steel construction\u003c\/li\u003e\n  \u003cli\u003eProtecting against water and sweat with advanced sealing and marine-grade grease\u003c\/li\u003e\n  \u003cli\u003eCompatibility with Acros aero cable routing headsets and similar applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eApplications requiring higher static load capacity than stainless steel bearings provide\u003c\/li\u003e\n  \u003cli\u003eUse in non-headset bearing applications that demand different bearing specifications\u003c\/li\u003e\n  \u003cli\u003eSituations where cost is the primary concern over durability and corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes 440C stainless steel better for this bearing?\u003c\/strong\u003e\u003cbr\u003e440C stainless steel offers the highest strength, hardness, and wear resistance among common stainless alloys, providing excellent corrosion protection and durability in challenging environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this bearing compatible with all headsets?\u003c\/strong\u003e\u003cbr\u003eThis bearing is specifically designed for Acros headsets with aero cable routing but may also fit other headsets with matching dimensions. Always verify compatibility with your specific headset model.\u003c\/p\u003e","brand":"Enduro Bearings","offers":[{"title":"Default Title","offer_id":45499392983215,"sku":"EB9861","price":33.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/43932-pm.jpg?v=1768525757","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/enduro-bearings-acb-4545-4252-ss-angular-contact-headset-bearing-42x52x7mm-45","provider":"Swinnerton Cycles","version":"1.0","type":"link"}