CeramicSpeed 61903 Coated Bearing - (6903) Coated Bearing Race

CeramicSpeed 61903 Coated Bearing - (6903) Coated Bearing Race. CeramicSpeed cartridge bearings with coated race are a premium upgrade option that provide extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. These bearings feature coated races that provide the ultimate performance and longevity.

Grade 3 Silicon Nitride balls

The coated bearing races increase the bearing service life by providing extreme hardness to the race and reducing corrosion

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

Limited Lifetime Warranty