SHIMANO DURA-ACE Threaded Bottom Bracket 68/70 mm shell width

BB-R9100

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.

• Bottom bracket with small ball bearings for lightweight
• Advanced seal construction for smoother rotation

TECHNOLOGIES