The Shimano Deore M591 9-speed top-normal rear derailleur offers smooth, crisp shifting and a clean, elegant design.
- Double Servo-Panta mechanism is tough and its proven technology delivers durability and reliability
- Versatile design works well for trekking on and off road
- Compatible with 28-34T low sprocket
- Capacity: 45T
- Compatible with all Shimano 9-speed HG cassettes, 9-speed shifters and 9-speed chains
Specifications:
| Best use | Mountain biking |
|---|---|
| Derailleur type | Rear |
| Cage length | Long cage |
| Max rear cog size | 34T |
| Speeds | 9-speed |
| Weight | 305 grams |