CeramicSpeed Wheel Bearing Upgrade Kit: Mavic-12 (Aksium, Crossmax, Crossride, Crossroc, Crosstrail, Deemax, XA)

CeramicSpeed cartridge bearing kits for wheels is an upgrade option that provides extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings.
Grade 3 Silicon Nitride balls
Hardened races
Reinforced polyamide cage and non-contact seals
Hand built in Denmark
High resistance to poor lubrication