The Dura-Ace BB-R9100 rear derailleur by Shimano – Rider-tuned, high efficiency
The Shimano BB-R9100 bottom bracket is specially designed for Dura-Ace 11- and 12-speed cranks. It has small ball bearings to minimise weight and uses Hollowtech II technology for greater stability and rotational efficiency. The BB-R9100 is available in versions for BSA and for ITA threads.
Specifications:
- Application:
- Road, Triathlon & Time Trial
- Series:
- Dura-Ace R9100
- Type:
- BSA, ITA
- Shell Width:
- 68 mm, 70 mm
- Axle Diameter:
- 24 mm (Hollowtech II)
Technical Information:
- Bearings:
- steel
- Bottom Bracket Cup Material:
- Aluminium
Compatibility:
Recommended for:
- Dura-Ace FC-R9200, FC-R9200-P, FC-R9100, FC-R9100-P, FC-9000
Features:
- small ball bearings for low weight
- anodised bearing cups
Technology:
Hollowtech II
Shimano Hollowtech II is a crank bottom bracket system designed to achieve an>
Models:
BSA:
- Shell Width:
- 68 mm
- Manufacturer Number:
- I-BBR9100B
ITA:
- Shell Width:
- 70 mm
- Manufacturer Number:
- I-BBR9100I
Contents:
- 1 x Shimano Dura-Ace BB-R9100 right bearing cup, with bearings
- 1 x Shimano Dura-Ace BB-R9100 left bearing cup, with bearings
- 1 x Shimano bottom bracket sleeve
Order Together:
- Bottom Bracket Adapter Tool TL-FC24
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