Shimano's Deore M591 9 Speed Rear Derailleur
If youâre looking for high performance mountain bike (MTB) component for having fun on the trails without worrying about durability, the Deore M591 9 Speed Rear Derailleur is an excellent choice. Compatible with both 8 and 9 speed drivetrains, Shimano has built this rear mechanism from durable alloy and steel, so it can withstand the toughest trails and the harshest terrain.
Features:
- Wide link top normal Deore rear derailleur
- Wide link design increases rigidity and service life
- Top normal return spring lends to incredibly intuitive operation when combined with Rapidfire shifters
- Alloy and steel construction leads to lower weight without compromising strength and durability
- Large 11 tooth pulleys are used for longer life
- Two fluorine-coated link bushings for low-friction operation
- 8- and 9-spd compatible
- Compatible with 28-34T low sprocket
- Average weight 299 grams
- Cage: Long