The Shimano Deore RD-M5100-SGS rear derailleur is designed for a 1×11 mountain bike drivetrain with an 11–51T cassette. Its low-profile Shadow RD+ design and chain stabilizer help reduce chain slap, drops and noise.
| Feature | Specification |
|---|---|
| Drivetrain | 1×11-speed |
| Cage | SGS long cage |
| Cassette | 11–51T Shimano CS-M5100-11 |
| Technology | Shadow RD+ chain stabilizer |
| Pulley | 13 teeth |