CeramicSpeed 61903 Coated Bearing - (6903) Coated Bearing Race

CeramicSpeed cartridge bearings with coated race are a premium upgrade option that provide extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. These bearings feature coated races that provide the ultimate performance and longevity.Grade 3 Silicon Nitride ballsThe coated bearing races increase the bearing service life by providing extreme hardness to the race and reducing corrosionReinforced polymide cage and non-contact seal to keep dirt and moisture outHigh resistance to poor lubricationCan be used for any cycling disciplineSold as eachHand built in DenmarkLimited Lifetime Warranty