Shimano Dura-ace FC-R9100 Crankset

HOLLOWTECH II Crankset (2x11-speed)

- Series : DURA-ACE
- Crank Construction : HOLLOWTECH II technology
- Crank Arm Length : 165, 167.5, 170, 172.5, 175, 177.5, 180mm
- Bottom Bracket : BB-R9100, BB-R9100-PB
- Chain Line : 43.5

Features
- Optimum power transfer
- Best balance for lighter weight (-7g) and efficiency
- New designed crank arm
- Maintains high rigidity and reduces weight
- HOLLOWGLIDE
- 4-arm construction crankset
- Adapted for race specific disc brake system
- Shorter length of rear center with O.L.D.135mm
- Redesign the gear teeth profile to fit wider gear pitch
- Rider tuned gearing options
- 50-34T/53-39T/54-42T/55-42T/52-36T
- Iconic design
- Crank arm length: 165, 167.5, 170, 172.5, 175, 177.5, 180mm
- Gear combination: 50-34T, 52-36T, 53-39T, 54-42T, 55-42T