Shimano BB-R9100 Threaded Bottom Bracket Comfortmax BB Guide and Chainstay Grommet

BB Guide and Chainstay Grommet

ENVE recommends that the length of your tire/tube valve + the length of your extender exceeds the depth of the rim by at least 10mm

Rim cross section (H x W): 60 / 26

This weight reduction is accomplished while maintaining the strength and durability expected of a Thomson seatpost

Shimano BB-R9100 Threaded Bottom Bracket Comfortmax BB Guide and Chainstay GrommetWith 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. Specifications Bottom bracket with small ball bearings for lightweight Advanced seal construction for smoother rotation MODEL NO: BB R9100 HOLLOWTECH II BB Type: Threaded bottom bracket type Threaded BB Shell Width: 68mm, 70 mm Mfr Claimed Weight 65g