SunRace RDM91 9-Speed Rear Derailleur

- Long-cage rear derailleur for 9sp mtb drivetrains only.
- 100% Shimano cable-pull ratio compatible (2:1).
- Max sprocket: 34T
- Min sprocket: 11T
- Rear capacity: 23T
- Max front difference: 22T
- Total capacity: 45T