Shimano's premier mechanical groupset fights back against it's sister Di2 components! Dura-Ace 9100-series components adopt the improved protective and durability features of Di2 and refine shifting mechanics for the crispest, lowest-effort shifting ever.
Designed for Dura-Ace 9100 11-speed drivetrains
Precise, crisp, low-effort shifting performance
Integrated cable tension adjustment eliminates need for barrel adjusters
Increased clearance for frames with bigger tires and disc brakes