Shimano RX815 Di2 Rear Derailleur Middle cage Grey Default:Default Brake Type: Hydraulic Disc

Brake Type: Hydraulic Disc

engineered for cyclists who demand the best in performance and style

providing a lightweight yet robust structure that doesn't compromise on strength

the Bontrager Hollow 6mm Water Bottle Cage keeps your hydration within easy reach

Helps reduce cockpit clutter and save bar space

Shimano RX815 Di2 Rear Derailleur Middle cage Grey Default:Default Brake Type: Hydraulic DiscRear Der Shimano RD RX815 GRX Di2 11 Speed When the going gets gravelly Gravel tuned chain stabilization and drivetrain performance with electronic shifting. The Shimano RX815 Di2 rear derailleur integrates electronic shifting with silent rear operation on rough terrain. A Shimano Shadow RD+ clutch prevents chain slapping and drops. Key Features Operates with Shimano Di2 for digital electronic shifting Gravel tuned clutch tension provides smooth and