{"product_id":"enduro-bearings-6903-vv-zero-ceramic-bike-bearings-17x30x7mm-sealed-precision","title":"Enduro Bearings 6903 VV Zero Ceramic Bike Bearings 17x30x7mm Sealed Precision","description":"\u003cp\u003eEnduro Bearings 6903 VV - Zero Ceramic offers exceptional performance for cycling enthusiasts seeking durability and precision. Featuring a combination of high-quality Grade 3 ceramic (Silicon Nitride - Si3N4) balls and steel races, these bearings are designed to deliver smooth rotation with minimal friction. The black oxide-treated races are ground to a mirror finish, enhancing corrosion resistance and ensuring near-perfect efficiency.\u003c\/p\u003e\n\n\u003cp\u003eWith dimensions of 17mm x 30mm x 7mm and an ABEC rating of 5, these bearings are ideal for hubs and bottom brackets, providing reliable support and longevity. Pre-lubricated with Kyodo Yushi PS-2 grease and sealed with VV seals, they maintain optimal performance even under demanding conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhancing the smoothness and efficiency of bike hubs and bottom brackets\u003c\/li\u003e\n  \u003cli\u003eProviding superior corrosion resistance for long-lasting use\u003c\/li\u003e\n  \u003cli\u003eReducing maintenance thanks to high-quality seals and grease\u003c\/li\u003e\n  \u003cli\u003eDelivering high precision with Grade 3 ceramic balls\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 bearings outside the 17mm x 30mm x 7mm size range\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty industrial machinery beyond cycling components\u003c\/li\u003e\n  \u003cli\u003eSituations where non-sealed or different grease types are preferred\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?\u003c\/strong\u003e\u003cbr\u003eThey fit hubs and bottom brackets designed for the 6903 size (17mm x 30mm x 7mm) but compatibility should be confirmed with your specific component.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat maintenance is required?\u003c\/strong\u003e\u003cbr\u003eThanks to the VV seals and Kyodo Yushi PS-2 grease, these bearings require minimal maintenance, but regular inspection is recommended for optimal performance.\u003c\/p\u003e","brand":"Enduro Bearings","offers":[{"title":"Default Title","offer_id":45478810484911,"sku":"eb8470","price":41.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1525173041-50623200.jpg?v=1768523316","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/enduro-bearings-6903-vv-zero-ceramic-bike-bearings-17x30x7mm-sealed-precision","provider":"Swinnerton Cycles","version":"1.0","type":"link"}