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 mechanismIncludes clutch with On/Off switchCompatible with current road Dual Control LeversDirect Mount Compatible
| Largest Cog |
34 |
| Color |
Black |
| Rear Der/Shifter Compatibility |
Shimano Road |
| Rear Derailleur Mount Type |
Shimano Rear Direct Mount |
| Drivetrain Speeds |
11 |
| Weight |
248 |
| Chain Wrap Capacity (teeth) |
39 |
| Cage Length |
Medium |