- Features the Shadow RD+ chain stabilizer system to minimize chain slap
- Fast and precise shifting
-13T pulley
- For single front chainring setup
- 51T max cog size

Specifications:
- Color: Black
-Largest Cog: 51
- Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10x1 Standard
- Rear Der/Shifter Compatibility: Shimano Mountain
- Cage Length: Long
- Drivetrain Speeds: 12