{"product_id":"enduro-bearings-71903-llb-abec-5-precision-bike-bearings-17x30x7mm-for-hubs-bottom-brackets","title":"Enduro Bearings 71903 LLB ABEC 5 Precision Bike Bearings 17x30x7mm for Hubs \u0026 Bottom Brackets","description":"\u003cp\u003eEnduro Bearings 71903 LLB - ABEC 5 offers a significant performance upgrade for cycling enthusiasts seeking precision and durability. Crafted with military-grade HRC-64 hardened Grade 5 Chromium Steel Balls and 52100 High-Carbon Chromium-Alloy mirror-polished races, these bearings ensure an exceptionally smooth and quiet ride. The graphite\/nylon ball retainers enhance frictionless movement while providing constant lubrication, extending the lifespan of the bearing for reliable performance over time.\u003c\/p\u003e\n\n\u003cp\u003eDesigned with exacting tolerances twice as tight as the popular ABEC 3 series, the Enduro ABEC 5 bearings deliver superior accuracy and efficiency in hubs and bottom brackets. Their robust LLB seals protect against contaminants and maintain optimal grease conditions with Kyodo Yushi PS-2, ensuring consistent functionality under demanding conditions. Measuring 17mm x 30mm x 7mm, these bearings are engineered to fit perfectly and perform at a high level.\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your wheels and spares with Enduro Bearings 71903 LLB - ABEC 5 to experience smoother rotations, increased durability, and quieter rides, making every journey more efficient and enjoyable.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding high precision and smooth operation in hubs and bottom brackets\u003c\/li\u003e\n  \u003cli\u003eReducing noise with tight tolerances and quality materials\u003c\/li\u003e\n  \u003cli\u003eExtending bearing life through constant lubrication and durable seals\u003c\/li\u003e\n  \u003cli\u003eEnhancing overall cycling performance with low friction movement\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 outside of hubs, bottom brackets, or similar components\u003c\/li\u003e\n  \u003cli\u003eEnvironments lacking proper maintenance, which may affect bearing longevity\u003c\/li\u003e\n  \u003cli\u003eUses requiring bearings with different dimensions or specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does ABEC 5 mean?\u003c\/strong\u003e\u003cbr\u003eABEC 5 indicates the bearing's precision rating, offering tighter tolerances and smoother operation than lower ABEC ratings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bearings suitable for all bike types?\u003c\/strong\u003e\u003cbr\u003eThey are ideal for hubs and bottom brackets but you should confirm compatibility with your specific bike model.\u003c\/p\u003e","brand":"Enduro Bearings","offers":[{"title":"Default Title","offer_id":45478806552751,"sku":"eb8822","price":11.29,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1525172991-02531900.jpg?v=1768523296","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/enduro-bearings-71903-llb-abec-5-precision-bike-bearings-17x30x7mm-for-hubs-bottom-brackets","provider":"Swinnerton Cycles","version":"1.0","type":"link"}