CeramicSpeed 61902 Standard Bearing - (6902) Overall Length (mm)-174 In depth system measures BMI

In depth system measures BMI and lumbar flexibility as well as sit bone width

The No Puncture Hassle Inner Tube Sealant is easy-to-install and the cutting edge molecules seal holes in tubes of up to 4mm ensuring that your ride is uninterrupted

An optimized hood shape fits all hand sizes for comfortable and controlled braking from the hoods and the drops

bushing and keyway assembly

CeramicSpeed 61902 Standard Bearing - (6902) Overall Length (mm)-174 In depth system measures BMICeramicSpeed 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