Shimano Deore M591 SGS Rear Derailleur

Item: 50-7966
Save $13.00 (22%) $45.99 MSRP $58.99
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The 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

Learn More:

Check out our Introduction to Shimano.

Check out How to Adjust Your Rear Derailleur.

Check out Understanding Rear Bike Derailleurs.

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