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, shifting performance across the cassette
Low profile rear derailleur design for improved protection from impact
Direct Mount interface for improved stability on the frame