ceramicspeed-6000-standard-bearing
ceramicspeed-6000-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 ballsHardened steel racesReinforced 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 Denmark