{"product_id":"ceramicspeed-ceramic-bearing-6903","title":"CeramicSpeed Ceramic Bearing - 6903","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eCeramicSpeed Ceramic Bearing - 6903\u003c\/strong\u003e is a direct upgrade over the steel bearings your bike shipped with — built around silicon nitride ceramic balls running against hardened steel raceways for a measurably smoother, lower-friction rotation. The result is less energy lost to bearing resistance and a longer service life, with CeramicSpeed claiming three to five times the longevity of a standard bearing.\u003c\/p\u003e\n\n\u003cp\u003eThe balls sit in a reinforced polymer cage and are greased with CeramicSpeed's own lubricant, formulated to work with the ceramic construction rather than against it. Dedicated seals are designed to keep moisture and contamination out, so the bearing holds onto that smooth action well into its lifespan — not just when it's new.\u003c\/p\u003e\n\n\u003ch3\u003eCeramicSpeed Ceramic Bearing - 6903 Specs at a Glance\u003c\/h3\u003e\n\u003cul class=\"specs_at_a_glance\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBall material:\u003c\/strong\u003e Silicon nitride ceramic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRaceway material:\u003c\/strong\u003e Hardened steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCage material:\u003c\/strong\u003e Reinforced polymer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLubrication:\u003c\/strong\u003e CeramicSpeed proprietary grease\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBearing size:\u003c\/strong\u003e 6903\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"CeramicSpeed","offers":[{"title":"Default Title","offer_id":43705502335020,"sku":"101274","price":116.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/ceramicspeed-ceramic-bearing-6903-4469611.jpg?v=1771301647","url":"https:\/\/ricycles.com\/products\/ceramicspeed-ceramic-bearing-6903","provider":"RA Cycles","version":"1.0","type":"link"}