{"product_id":"enduro-bearings-3903-llu-abec-3-durable-cycling-hub-bottom-bracket-bearings","title":"Enduro Bearings 3903 LLU ABEC 3 - Durable Cycling Hub \u0026 Bottom Bracket Bearings","description":"\u003cp\u003eEnduro Bearings 3903 LLU - ABEC 3 3903 ABEC 3 LLU offers a reliable and high-quality upgrade for your cycling components. Designed with hardened chromium steel races, balls, and tough riveted steel retainers, these bearings ensure durability and consistent performance. Ideal for hubs and bottom brackets, they provide smooth operation and reduce friction, enhancing your bike’s efficiency without breaking the bank.\u003c\/p\u003e\n\n\u003cp\u003eThese ABEC 3 bearings surpass the standard ABEC 1 found in many original equipment setups, making them a smart choice for cyclists seeking better reliability and longevity. The seals (LLB) protect against dirt and moisture, while the Mobile HP 222 grease guarantees long-lasting lubrication. Compact and precise, these bearings are engineered to fit perfectly with a 17 x 30 x 10mm dimension.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUpgrading hubs and bottom brackets for improved smoothness\u003c\/li\u003e\n  \u003cli\u003eProviding enhanced durability with hardened chromium steel components\u003c\/li\u003e\n  \u003cli\u003eEnsuring protection from contaminants with effective sealing\u003c\/li\u003e\n  \u003cli\u003eMaintaining long-term lubrication thanks to Mobile HP 222 grease\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\u003c\/li\u003e\n  \u003cli\u003eUses outside of cycling components like hubs and bottom brackets\u003c\/li\u003e\n  \u003cli\u003eSituations demanding non-standard bearing dimensions\u003c\/li\u003e\n  \u003cli\u003eEnvironments with extreme contamination beyond standard sealing capabilities\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 bike hubs and bottom brackets?\u003c\/strong\u003e\u003cbr\u003eThese bearings are designed for hubs and bottom brackets that match the 17 x 30 x 10mm dimension; compatibility with other sizes is not guaranteed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat maintenance is required for these bearings?\u003c\/strong\u003e\u003cbr\u003eThanks to the durable seals and high-quality grease, these bearings require minimal maintenance but should be checked periodically for wear and cleaned if exposed to harsh conditions.\u003c\/p\u003e","brand":"Enduro Bearings","offers":[{"title":"Default Title","offer_id":45478352519343,"sku":"EB8100","price":18.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1525173075-71419500.jpg?v=1768520850","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/enduro-bearings-3903-llu-abec-3-durable-cycling-hub-bottom-bracket-bearings","provider":"Swinnerton Cycles","version":"1.0","type":"link"}