Description
Notes from MyBikeThing This Shimano Dura-Ace BB-R9100 bottom bracket is the pinnacle of pedaling perfection – the kind of component that makes every watt transfer smoothly. The Hollowtech II design paired with Dura-Ace engineering means your power goes straight to the road with zero compromise and maximum smoothness.
Condition Description: Black anodized finish appears mild scuffs. Italian threaded cups show clean 68mm threading with no damage visible. Bearings spin smoothly with no play or roughness.
You put in the miles, we put in the work! 30 day Guarantee, rest assured of fit, function and condition. – Paul
Tech Specs
- Brand: Shimano
- Model: Dura-Ace BB-R9100
- Thread: English 68mm
- Type: Threaded Bottom Bracket
- Compatibility: Hollowtech II cranks
- Bearing Type: Sealed cartridge
- Shell Width: 68mm
- Made in Japan
- Weight: 68g
- Material: Aluminum







