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
B.B. Parts Road SHIMANO Dura-Ace BB-R9100 Italian Ind. Pack IBBR9100I
