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
TECH SPECS
Bearing I.D. (mm)
17
Manufacturer Number
61903 (6903) coated
Bearing O.D. (mm)
30
Material
Ceramic
Thickness
7
Express delivery and return policies
Free shipping on orders over $30
Processing time: 1-2 Days
Shipping time: 3-5 Days(According to the logistics method and delivery address)
Items can be returned or exchanged within 30 days !
