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.
Can be used for any cycling discipline
Grade 3 Silicon Nitride balls
Hand built in Denmark
Hardened steel races
High resistance to poor lubrication
Reinforced polymide cage and non-contact seal to keep dirt and moisture out
Sold as each
Specifications & Identifiers
Bearing ID (mm)
12
Bearing OD (mm)
21
Bearing Thickness
5mm
Material
Ceramic
UPC
5711050000524
MPN
101221
Tree Fort ID:
333222455378
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