
The SunRace M4 Rear Derailleur is designed for 7 and 8-speed MTB drivetrains.
- 13T tension pulley
- Rear Derailleur Mount Type: Shimano Rear Direct Mount
- Rear Der/Shifter Compatibility: Shimano Mountain
- Color: Black
- Cage Length: Long
- Drivetrain Speeds: 7
- Drivetrain Speeds: 8
- Chain Wrap Capacity (teeth): 43
- Weight: 376
- Largest Cog: 34