Description
An upgrade option for cartridge wheel bearings that offer 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
- Intended for: Road, TT, Tri, Track, Cross, and MTB
| Bearing I.D. (mm) | 17 |
| Manufacturer Number | 61903 (6903) coated |
| Bearing O.D. (mm) | 30 |
| Material | Ceramic |
| Thickness | 7 |
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