Shimano FC-9100 Dura Ace Crankset 2x11 Speed

4-arm construction crankset
New designed crank arm
Iconic design
Redesign the gear teeth profile to fit wider gear pitch
HOLLOWGLIDE
Best balance for lighter weight (-7g) and efficiency
Shorter length of rear center with O.L.D.135mm
Optimum power transfer
Adapted for race specific disc brake system
Maintains high rigidity and reduces weight

OUTER RING MATERIAL	Aluminum/CFRP
AVERAGE WEIGHT	609g,-,621g
THREADED BB SHELL WIDTH	68,70
CRANK ARM FINISH	Anodized
COMPATIBLE BB TYPE	Outboard
GEAR ARMS	4
COMPATIBLE CHAIN	HG-EV|11|Speed/|HG-X11
SERIES	Dura-Ace
INNER RING MATERIAL	Aluminum
GENERATION	R9100