Bottom bracket with resine key to fit Optimize your pedaling with the Sunrace bottom bracket, made of resin, to be fitted to keyed cranks, diameter 38mm, length 136 mm.
Bottom bracket with resin cups diameter 38mm to be fitted for cranks with keys, length 136 mm.
| Brand | Sunrace |
| Supplier reference | 147191 |
| Color | black |
| Color | Black |