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
- Includes 4 X 61803 1 X 61903 1 X 61804 bearings
- Fits NSW (NOT DISC) Before mid 2018 (1st gen)