*The images are indicative and may vary from the actual product. Some accessories may not be included or components may be different. Check the components section within the product features
With an advanced sealing structure for smoother rotation and small ball bearings to minimize weight, SHIMANO's DURA-ACE bottom bracket is available in Press Fit and threaded options.
| Sales Model Code | BB-. R9100 |
| Shimano part code | Bottom bracket |
| Bike discipline | Race |
| Use | On the bike |
| Length. of crank arm (mm) | 170 mm |
| Screw symmetry shaft diameter | 110 mm |
| Connecting rod technology | Hollowtech II/2- parts |
| Shaft length/case width (mm) | 68mm |
| Thread type | BSA |
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