Shimano Dura-Ace FC-R9100 crankset 2/11-speed

FC-R9100

The R9100 series crankset achieves the ultimate in optimal power transfer. It does this through its broader Hollowtech II arm and a more reinforced outer chainring on its unique asymmetrical four-arm spider construction. The new R9100 cranks set the highest standards for stiffness and lightness.

• New designed crank arm
• Maintains high rigidity and reduces weight
• HOLLOWGLIDE Crankset (2x11-speed)
• 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
• 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

Product Specs

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