Description
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) | 12 |
| Bearing O.D. (mm) | 21 |
| Manufacturer Number | 61801 (6801) |
| Material | Ceramic |
| Thickness | 5 |





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