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
SERIES
DURA-ACE R9100 Series
Average weight
65
HOLLOWTECH II bottom bracket|Threaded bottom bracket type
✔
Threaded bottom bracket shell width (mm)|68
✔
Threaded bottom bracket shell width (mm)|70
✔
Small ball bearing
✔
B.B. Parts Road SHIMANO Dura-Ace BB-R9100 Ind. Pack IBBR9100B
