SHIMANO DURA-ACE - Bottom Bracket - Threaded - HOLLOWTECH II - 68/70 mm shell width
With an advanced seal construction for smoother rotation and small ball bearings to minimize weight, the SHIMANO DURA-ACE bottom bracket is offered in both pressfit and threaded options.
FEATURES
- Bottom bracket with small ball bearings for lightweight
- Advanced seal construction for smoother rotation
PRODUCT SPECIFICATIONS
| MODEL NO | BB-R9100 |
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| SERIES | DURA-ACE R9100 Series |
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| Average weight | 65 |
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| HOLLOWTECH II bottom bracket|Threaded bottom bracket type | ✔ |
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| Threaded bottom bracket shell width (mm)|68 | ✔ |
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| Threaded bottom bracket shell width (mm)|70 | ✔ |
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| Small ball bearing | ✔ |
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