CeramicSpeed 61903/18 Standard Bearing

CeramicSpeed cartridge bearings are an upgrade option for any cycling discipline. These bearings provide extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Grade 3 Silicon Nitride balls Hardened steel races Reinforced polymide cage and non-contact seal to keep dirt and moisture out High resistance to poor lubrication Can be used for any cycling discipline Sold as each Hand built in Denmark Product Specifics Bearing I.D. (mm): 18 Bearing O.D. (mm): 30 Manufacturer Number: 61903/18 Material: Ceramic Thickness: 7 Today's Stock StatusCurrently not available UPC: Not available EAN: 5711050002276 Manufacturer Part Number: 101271 BB9917 183887-Q0-L