{"product_id":"ceramicspeed-coated-race-cartridge-bearings-cartridge-bearing-mountain-bike-road-bike-bb0110","title":"CeramicSpeed Coated 61903 (6903) Ceramic Bearing | Low Friction, High Durability, Premium Silicon Nitride Balls, Extended Service Life, Reinforced Race for Cycling \u0026 Durability","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003ePremium CeramicSpeed 61903 Coated Bearing (6903) - High-Performance Bicycle Bearing for Ultimate Efficiency and Durability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eOptimize your cycling experience with the CeramicSpeed 61903 Coated Bearing, a top-tier upgrade engineered for riders demanding superior performance, longevity, and precision. Crafted with advanced materials and innovative technology, this coated bearing race ensures smooth, efficient rotation whether you're conquering mountain trails, racing on the road, or commuting through city streets.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering Excellence:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003e- Made from high-grade ceramic with Grade 3 Silicon Nitride balls, these bearings offer exceptional strength, low weight, and thermal stability.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003e- Coated races feature an ultra-hard surface to significantly enhance wear resistance, reduce corrosion, and extend service life beyond traditional steel bearings.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003e- Reinforced polyamide cage combined with a non-contact seal keeps dirt, water, and moisture out, ensuring consistent performance in all cycling environments.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003ePerformance \u0026amp; Technological Advantages:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003e- Extremely low friction minimizes power loss, boosting rider efficiency and contributing to faster acceleration and sustained speed.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Superior resistance to poor lubrication and harsh conditions makes these bearings ideal for high-performance cycling disciplines including road racing, mountain biking, cyclocross, and touring.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Engineered for longevity, they deliver a reduced maintenance cycle and a longer lifespan, providing excellent value for serious cyclists.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Designed for precision and durability, the CeramicSpeed 61903 Coated Bearing seamlessly integrates into various bicycle components such as hubs, bottom brackets, and headsets.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Whether you're upgrading your daily commuter, competitive race bike, or mountain bike, these bearings are built to deliver reliable, top-tier performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003eInnovative Features \u0026amp; Unique Selling Points:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Coated bearing race technology for enhanced hardness and corrosion resistance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Hand-built in Denmark by cycling experts committed to quality and craftsmanship.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Sold individually with a limited lifetime warranty, reflecting confidence in their durability and performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003eProduct Specifications:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Inner Diameter (ID): 17mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Outer Diameter (OD): 30mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003e- Thickness: 7mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-22\"\u003e\u003cp\u003e- Material: Ceramic with coated races\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-23\"\u003e\u003cp\u003e- Suitable for all cycling disciplines and applications\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-24\"\u003e\u003cp\u003eElevate your bike's performance with the CeramicSpeed 61903 Coated Bearing - the perfect choice for cyclists seeking low friction, improved power transfer, and unrivaled durability. Experience the difference of advanced ceramic technology combined with innovative coating for a smoother, more efficient ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003ePremium CeramicSpeed 61903 Coated Bearing features high-grade ceramic components, including silicon nitride balls, for enhanced durability and reduced rolling resistance. \u003c\/li\u003e\n\u003cli\u003eEngineered with coated races for superior hardness and corrosion resistance, significantly extending bearing service life and ensuring reliable performance in all weather conditions. \u003c\/li\u003e\n\u003cli\u003eIncorporates reinforced polyamide cages and non-contact seals that effectively block dirt, moisture, and contaminants, perfect for diverse cycling disciplines from road to mountain biking. \u003c\/li\u003e\n\u003cli\u003eDesigned for optimal power transfer and smooth rotation, these coated bearings minimize friction and improve efficiency, helping you ride faster and more effectively. \u003c\/li\u003e\n\u003cli\u003eHandcrafted in Denmark with a limited lifetime warranty, combining advanced materials and engineering for long-lasting, premium cycling performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"CeramicSpeed","offers":[{"title":"Default Title","offer_id":42206799298627,"sku":"BB0110","price":177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BB0110.jpg?v=1773359650","url":"https:\/\/365cycles.com\/products\/ceramicspeed-coated-race-cartridge-bearings-cartridge-bearing-mountain-bike-road-bike-bb0110","provider":"365 Cycles","version":"1.0","type":"link"}