B.B. Parts Road SHIMANO Dura-Ace BB-R9100 Ind. Pack IBBR9100B
THREADED BOTTOM BRACKET 68/70 MM
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.
BENEFIT
Bottom bracket with small ball bearings for lightweight
BENEFIT
Advanced seal construction for smoother rotation
HOLLOWTECH II bottom bracket / Threaded bottom bracket type
Threaded bottom bracket shell width (mm) 68/73
Average weight : 73
SHIMANO
WOP-COMPO, B.B. Parts