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Shimano Deore RD-M591 9-Speed Rear Derailleur

sku# 94808
Shimano - Deore RD-M591 9-Speed Rear Derailleur
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Product Info

The Shimano Deore RD-M591 9-Speed Rear Derailleur is a worthy derailleur whether you're riding on- or off-road. It features a long cage, mounts to the 10x1 standard, and is guaranteed compatible with any Shimano 9-Speed HG cassette and 9-Speed mountain shifters. As bike season approaches, regain crispy shifting with the Shimano Deore RD-M591 9-Speed Rear Derailleur.

Product Details


Precise Chain Movement

Changes Gears Smoothly

Light Shift Effort

Shimano's Classic Double Servo-Panta Mechanism

Fluorine Coated Link Pin Bushings


Cage LengthLong

Largest Cog34t

Chain Wrap Capacity45t

Drivetrain Speeds9

Rear Derailleur / Shifter CompatibilityAll Shimano 9-Speed HG Cassettes, 9-Speed Mountain Shifters, and 9-Speed Chains.

Rear Derailleur Mount Type10x1 Standard

On- & Off-Road Compatible with 28-34t Low Cassette Sprocket


  • Material: Aluminum, Plastic, Stainless Steel
  • Biking Type: Mountain, Urban/Commuter
  • Derailleur Speed: 9
  • Warranty: 2 Years

Other Notes

Shimano products can only be shipped within the United States and Canada



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