{"product_id":"m-part-headset-bearing-40x52x8mm-45-45-with-rubber-seals-for-smooth-steering","title":"M Part Headset Bearing 40x52x8mm 45\/45° with Rubber Seals for Smooth Steering","description":"\u003cp\u003eThe M Part Headset Bearing 40,0x52,0x8 45\/45ø is engineered for precision and durability, ensuring smooth steering and reliable performance. Crafted with CrMo races and ball bearings hardened to HRC 61-66, it offers exceptional strength and longevity. The nylon retainer and full contact rubber LLU seals protect against dirt and moisture, keeping your headset running smoothly.\u003c\/p\u003e\n\n\u003cp\u003eDesigned to meet ABEC-3 tolerance standards and lubricated with premium Multemp SRL grease, this bearing matches the quality of original parts used by top bike manufacturers. Its versatility covers nearly all headset models, making it an ideal choice for maintenance and upgrades.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsuring smooth and precise steering control\u003c\/li\u003e\n  \u003cli\u003eProviding long-lasting durability under various riding conditions\u003c\/li\u003e\n  \u003cli\u003eProtecting headset internals from dirt and moisture\u003c\/li\u003e\n  \u003cli\u003eCompatible with most bicycle headset models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse in non-bicycle applications requiring different bearing specifications\u003c\/li\u003e\n  \u003cli\u003eReplacement for headsets with significantly different dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this bearing compatible with my bike’s headset?\u003c\/strong\u003e\u003cbr\u003eThe M Part Headset Bearing fits most standard headsets with dimensions 40,0x52,0x8 45\/45ø, but it’s best to verify your headset specifications before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the bearing protect against dirt and moisture?\u003c\/strong\u003e\u003cbr\u003eIt features rubber LLU full contact seals that effectively prevent contaminants from entering, ensuring smooth operation and longer lifespan.\u003c\/p\u003e","brand":"M Part","offers":[{"title":"Default Title","offer_id":45478275514543,"sku":"CB-790","price":12.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1720177778-72201500.jpg?v=1768521106","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/m-part-headset-bearing-40x52x8mm-45-45-with-rubber-seals-for-smooth-steering","provider":"Swinnerton Cycles","version":"1.0","type":"link"}