The Shimano Dura-Ace BB-R9100 bottom bracket is designed for road bikes with an Italian-threaded (ITA) bottom bracket shell. It features sealed deep-groove bearings, aluminium cups and steel bearings.
It is compatible with Shimano Road Hollowtech II cranksets and other cranksets with a 24 mm spindle. Installation requires a 16-notch bottom bracket tool.
- Type: ITA
- Use: Road bikes
- Bottom bracket shell width: 70 mm
- Bottom bracket shell diameter: 36.0 mm
- Crank spindle diameter: 24 mm
- Compatibility: Shimano Road Hollowtech II cranksets and others with a 24 mm spindle
- Cup material: Aluminium
- Bearing material: Steel
- Colour: Black
- Package contents: 1 ITA bottom bracket
- Type
- Medium Friction
- Bicycle Parts
- For the Gears
- Type
- Road
- Wheel Size
- -
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.