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.
| Bearing I.D. (mm) | 15 |
| Manufacturer Number | 61902 (6902) |
| Bearing O.D. (mm) | 28 |
| Material | Ceramic |
| Thickness | 7 |






