GRX RD-RX400 Rear DerailleurA Shadow RD+ chain stabilizer prevents chain slapping and drops The gravel-tuned clutch tension helps to provide smooth and reliable mixed surface shifting Stabilizer can be turned on/off to match terrain Compatible only with 10-speed ST-RX400 ST-4700 ST4720 ST-4725 ST-RS405 and SL-4700 shift levers
| Largest Cog | 36 |
| Color | Black |
| Rear Der/Shifter Compatibility | Shimano Road |
| Rear Derailleur Mount Type | 10x1 Standard |
| Drivetrain Speeds | 10 |
| Weight | 303 |
| Chain Wrap Capacity (teeth) | 41 |
| Cage Length | Long |
If you don't see exactly what you need or have questions about any product, contact us and we'll do our best to answer your questions and help you find what you need.
