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

Bearing I.D. (mm)	17
Manufacturer Number	61903 (6903) coated
Bearing O.D. (mm)	30
Material	Ceramic
Thickness	7