{"product_id":"ceramicspeed-cartridge-bearings-cartridge-bearing-mountain-bike-road-bike-bb9813","title":"CeramicSpeed 61803 (6803) Ceramic Bearing | Silicon Nitride Balls, Low Friction, High Durability, for Road, Triathlon \u0026 MTB Cycling","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your cycling performance with the CeramicSpeed Bearing 61803 (6803) 17x26x5 - the pinnacle of precision engineered ceramic bike bearings designed for serious cyclists and bike enthusiasts. Handcrafted in Denmark, these high-performance bearings deliver unparalleled smoothness, durability, and efficiency across all cycling disciplines, including road, triathlon, time trial, track, cyclocross, and mountain biking.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Advanced Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from high-grade Grade 3 Silicon Nitride ceramic balls, these bearings are 400% smoother, 128% harder, and 58% lighter than standard steel bearings. The hardened steel raceways feature ultra-smooth, polished grooves, ensuring minimal friction and maximum power transfer. The reinforced polyamide cage securely holds the ceramic balls in place, maintaining optimal alignment under load and vibration for consistent performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eInnovative Components \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eFitted with non-contact seals, CeramicSpeed bearings effectively prevent dirt, moisture, and debris from compromising performance while maintaining low friction levels. The bearings are pre-lubricated with CeramicSpeed's proprietary Blue Grease, a low-viscosity lubricant specifically formulated to reduce drag, extend bearing life, and ensure reliable operation in all conditions. Designed for versatility, these bearings are suitable for wheel hubs, bottom brackets, headsets, and other critical bike components.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003ePerformance \u0026amp; Benefits:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003e- Super Low Friction \u0026amp; Enhanced Power Transfer: Maximize your energy output with bearings that reduce drag and improve acceleration.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003e- Superior Durability \u0026amp; Longevity: Ceramic balls and hardened races deliver longer-lasting performance, even under the toughest riding conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Versatile Application: Perfect for any cycle type - road racing, triathlon, cyclocross, mountain biking, or track cycling - ensuring top-tier efficiency across disciplines.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Hand-Built Precision: Every bearing is meticulously assembled in Denmark, ensuring quality control and optimal performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eSpecifications:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Inner Diameter (ID): 17mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Outer Diameter (OD): 26mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Width: 5mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Item Number: 61803 (6803)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Material: Ceramic with hardened steel races\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eEnhance your bike's performance with the CeramicSpeed 61803 (6803) Bearing - engineered for racers and cyclists who demand the highest standard of smoothness, durability, and efficiency. Whether upgrading your bike's wheels, bottom bracket, or headset, these bearings deliver a significant performance boost that can make a real difference on every ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eEnhanced durability and longevity with hand-built precision in Denmark, ensuring each CeramicSpeed 61803 bearing meets the highest quality standards for cycling performance. \u003c\/li\u003e\n\u003cli\u003eUtilizes Grade 3 Silicon Nitride balls that are 400% smoother, 128% harder, and 58% lighter than standard steel bearings, resulting in superior low-friction operation and enhanced power transfer. \u003c\/li\u003e\n\u003cli\u003eEngineered with hardened steel raceways and reinforced polyamide cages, complemented by non-contact seals to effectively keep dirt, moisture, and debris out-ideal for all cycling disciplines including road, triathlon, time trial, track, cyclocross, and mountain biking. \u003c\/li\u003e\n\u003cli\u003eOptimized with CeramicSpeed's exclusive Blue Grease low-viscosity lubricant, which minimizes friction, extends bearing life, and maintains performance even under poor lubrication conditions. \u003c\/li\u003e\n\u003cli\u003eCompact 17x26x5mm design makes these versatile bearings perfect for hubs, cranksets, and bottom brackets, delivering smooth rotation, increased efficiency, and reliable performance for cyclists seeking premium parts and accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"CeramicSpeed","offers":[{"title":"Default Title","offer_id":42206674255939,"sku":"BB9813","price":116.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BB9813.jpg?v=1773356442","url":"https:\/\/365cycles.com\/products\/ceramicspeed-cartridge-bearings-cartridge-bearing-mountain-bike-road-bike-bb9813","provider":"365 Cycles","version":"1.0","type":"link"}