CeramicSpeed 61903 Standard Bearing - (6903) 00.0000.200.615 The intricate circular pattern is

The intricate circular pattern is engineered to provide excellent traction while maintaining a firm platform

easy component movement for low energy loss

The low weight of the carbon rim allows you to save energy when climbing so that you can attack long descents on varied surfaces where grip is paramount

Wheel Diameter 20 Primary Color Black Color Black clear Frame Size 20

Dropped seatstays with thin tubing absorbs road shocks and vibrations

CeramicSpeed 61903 Standard Bearing - (6903) 00.0000.200.615 The intricate circular pattern isCeramicSpeed 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