SHIMANO Dura Ace bottom bracket BB-R9100 | BSA
The inner bearing is for use in BSA bottom bracket housings.
The bearing is done by high quality, sealed deep groove ball bearings.
Attention: Due to the small screw-in depth, it is not suitable for use with spacers!
Bottom bracket housing: BSA
Case width: 68 mm
Combatity: Hollowtech II cranks from Shimano, Dura Ace cranks
Weight: 66g (including plastic sleeve)