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.
- Bottom bracket with small ball bearings for lightweight
- Advanced seal construction for smoother rotation
|SERIES||DURA-ACE R9100 Series|
|Average weight||65 g|
|HOLLOWTECH II BB Type||Threaded bottom bracket type|
|Small ball bearing||✔|
|Threaded BB Shell Width||68 mm, 70 mm|