CeramicSpeed 61902 Standard Bearing – (6902). 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.
- TECH SPECS
| Bearing I.D. (mm) | 15 |
| Manufacturer Number | 61902 (6902) |
| Bearing O.D. (mm) | 28 |
| Material | Ceramic |
| Thickness | 7 |












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