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 2x11-speed Di2 electronic systems
Manufacturer Shimano
Manufacturer Part Number IRDRX805GS
UPC 689228340558
Model Shimano Ultegra RD-RX800 Rear Derailleur
Rear Derailleur Style Road
Largest Cog
34
Color
Black
Rear Der/Shifter Compatibility
Shimano Road Di2
Rear Derailleur Mount Type
10x1 Standard
Rear Derailleur Mount Type
Shimano Rear Direct Mount
Drivetrain Speeds
11
Weight
280
Chain Wrap Capacity (teeth)
39
Cage Length
Medium