Shimano Dura Ace BB-R9100 Bottom Bracket 70mm Italian Thread
- Complete Dura Ace R9100 threaded bottom bracket assembly for Shimano HollowTech II Road cranks
- BSA Italian (36mm x 24 tpi) threaded cups with outboard bearings
- Set includes left and right hand cups and inner cover
- New improved sealing ensures 50% less drag
- 35mm cup diameter
- Compatible with 70mm shells
bottom bracket type
Hollowtech II
length (in mm)
70 mm
condition
new








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