microSHIFT R9 Rear Derailleur - 910 Speed Medium Cage Black. R-series rear derailleurs are designed to work with 7 8 9 and 10-speed Shimano-compatible road shifters. These R9 rear derailleurs combine the benefits of R10 and R8 rear derailleurs: compatibility friendly weight saving and robust.
Weight saving aluminum bracket body and outer link
Steel pulley cage for extra chain-rub durability
Compatible with Shimano 7 8 9 and 10-speed road systems
Not compatible with Shimano Tiagra 4700 road system
| Largest Cog | 34 |
| Color | Black |
| Rear Der/Shifter Compatibility | Shimano Road |
| Rear Derailleur Mount Type | 10x1 Standard |
| Drivetrain Speeds | 9 |
| Drivetrain Speeds | 10 |
| Weight | 291 |
| Chain Wrap Capacity (teeth) | 39 |
| Cage Length | Medium |
