{"product_id":"enduro-bearings-mr-20307-llb-abec-3-sealed-bearing-20x30x7mm-for-cycling-hubs-bottom-brackets","title":"Enduro Bearings MR 20307 LLB ABEC 3 Sealed Bearing 20x30x7mm for Cycling Hubs \u0026 Bottom Brackets","description":"\u003cp\u003eThe Enduro Bearings MR 20307 LLB - ABEC 3 is designed to deliver reliable performance for your cycling needs. Featuring hardened chromium steel races and balls, along with durable riveted steel retainers, these bearings offer enhanced longevity and smooth operation. They serve as an excellent upgrade over standard ABEC 1 bearings, providing improved efficiency and durability without a high cost.\u003c\/p\u003e\n\n\u003cp\u003eWith dimensions of 20x30x7mm and sealed with LLB seals, these bearings are well-suited for hubs and bottom brackets, ensuring protection against dirt and moisture. The inclusion of Mobile HP 222 grease further enhances performance by reducing friction and wear, making it a sensible choice for cyclists seeking dependable components that stand the test of time.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUpgrading from standard ABEC 1 bearings to improve smoothness and efficiency\u003c\/li\u003e\n  \u003cli\u003eUse in hubs and bottom brackets where durability and performance matter\u003c\/li\u003e\n  \u003cli\u003eResisting dirt and moisture thanks to LLB sealing\u003c\/li\u003e\n  \u003cli\u003eProviding long-lasting operation with hardened chromium steel construction\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 precision than ABEC 3 rating\u003c\/li\u003e\n  \u003cli\u003eSituations demanding lightweight components beyond standard steel bearings\u003c\/li\u003e\n  \u003cli\u003eUse in environments extremely exposed to harsh chemicals or extreme conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bearings compatible with all bottom brackets?\u003c\/strong\u003e\u003cbr\u003eThey fit most bottom brackets designed for MR 20307 sized bearings, but always check your component specifications before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does ABEC 3 rating mean?\u003c\/strong\u003e\u003cbr\u003eABEC 3 indicates a level of precision and tolerance that offers good performance for cycling applications, balancing smooth operation and durability.\u003c\/p\u003e","brand":"Enduro Bearings","offers":[{"title":"Default Title","offer_id":45478355599535,"sku":"EB9252","price":7.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/41049-pm.jpg?v=1768520899","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/enduro-bearings-mr-20307-llb-abec-3-sealed-bearing-20x30x7mm-for-cycling-hubs-bottom-brackets","provider":"Swinnerton Cycles","version":"1.0","type":"link"}