CeramicSpeed 61901 Standard Bearing - (6901) ModelNumber=K1751 Integrated dust cap keeps head

Integrated dust cap keeps head clean and ready to use

Cable groove compatible with new Di2 systems

Minimal and mighty the USB rechargeable Asteroid headlight mounts in seconds and shines super brightly with high-quality optics

}Full Speed Ahead Metropolis Patterson MegaExo 19 Bbottom Bracket English 68mm

Recommended for long-distance riding and extreme weather conditions such as muddy off-road conditions long rainy commutes and foggy salt-air coastal climates

CeramicSpeed 61901 Standard Bearing - (6901) ModelNumber=K1751 Integrated dust cap keeps headCeramicSpeed 61901 Standard Bearing (6901). 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