Shimano CUES RD-U4000-GS Rear Derailleur - 9-Speed Shadow Design Direct Attach Medium Cage Black. This Shimano CUES RD-U4000 Shadow 1x9-speed rear derailleurs smooth operation and dependability will help inspire riders to expand their trail-riding comfort zone. Its low-profile design and chain stabilization will give them the confidence to choose rougher routes.
Stable drivetrain performance on trails gravel and city streets
Shadow low-profile design protects rear derailleur from obstacles in a wide variety of riding scenes
Optimized geometry and spring tension reduce chain drop
Designed and tested to provide enduring e-biking performance
13t pulley wheels
Compatible with LINKGLIDE AND HG 11-speed chains
| Largest Cog | 46 |
| Color | Black |
| Color | Silver |
| Rear Der/Shifter Compatibility | Shimano Mountain |
| Rear Derailleur Mount Type | Shimano Rear Direct Mount |
| Rear Derailleur Mount Type | 10x1 Standard |
| Drivetrain Speeds | 9 |
| Designed for ebike | Yes |
| Chain Wrap Capacity (teeth) | 35 |
| Cage Length | Medium |
