The Ultegra RX Rear Derailleur brings Shimanos’ chain stabilizing technology road cycling drivetrains, delivering smooth and precise shifting over technical terrain. It expands road bike capabilities, inspiring confidence on any surface and drives the evolution of road cycling to include greater elements of adventure. The Ultegra RX Rear Derailleur is available in 11-speed Mechanical or Di2 compatible options.
- Shimano Shadow RD+ chain stabilizer mechanism
- Includes clutch with On/Off switch
- Compatible with current road Dual Control Levers
- Direct Mount Compatible
- Designed for use on 2×11-speed Di2 electronic systems
Specs:
- Rear Derailleur Mount Type: 10×1 Standard , Shimano Rear Direct Mount
- Drivetrain Speeds: 11
- Cage Length: Medium
- Chain Wrap Capacity (teeth): 39 teeth
- Largest Cog: 34
- Color: Black
- Weight: 280 g
- Rear Der/Shifter Compatibility: Shimano Road Di2