CeramicSpeed Wheel Bearing Upgrade Kit: Zipp-9 (NSW Hubsets)

CeramicSpeed Wheel Bearing Upgrade Kit: Zipp-9 (NSW Hubsets). 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