CeramicSpeed 61803 Standard Bearing - (6803) MPFN-TB96785400 8mm standard thickness

8mm standard thickness

fork/frame mount (IS) 51mm caliper 74mm rotor (front/rear) F-203mm / R-183mm part # B (HBMBN) color black

Strong and Safe biodegradable formula that is safe for use with all plastic rubber and carbon fiber parts

6mm Q-factor for BB30 is 147

CeramicSpeed 61803 Standard Bearing - (6803) MPFN-TB96785400 8mm standard thicknessCeramicSpeed 61803 Standard Bearing (6803). 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