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Shimano Deore M591 SGS Rear DerailleurThe Shimano Deore M591 SGS Rear Derailleur features direct cable routing and a strong guide spring to maintain chain tension and eliminate chainstay contact. Top-Normal shifting system is optimized for use with Shimano RapidFire shift levers and provides precise and rapid performance with a light shift effort.
- Features Shimano's Double Servo-Panta mechanism for smooth consistent shifts
- Light weight design
- Optimized for use with Shimano 9-speed cassettes but will also work with Shimano 8-speed
- Durable and reliable performance thanks to Shimano's proven technologies
- Can be used on road bikes or mountain bikes
- A great upgrade for improving the shifting performance of entry-level bikes
Shimano Deore M591 SGS Rear Derailleur
- Shimano 8/9-speed
- Aluminum body, steel cage
- max. cog:
- max. front difference:
- min. cog:
- spring type: