Shimano Deore RD-M592 Rear Derailleur (Black) (9 Speed) (Long Cage) (SGS) (Shadow)

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Shimano Deore RD-M592 Rear Derailleur

Features:

  • Low profile Shadow design features direct cable routing and a stronger guide spring
  • Eliminates chainstay contact
  • 32T minimum low gear for proper function
  • Compatible with all Shimano 9-speed HG cassettes, 9-speed mountain shifters and 9-speed chains

Specifications:
Speed: 9 Speed
Shifter Compatibility: Shimano Road & Mountain
Shift Mechanism: Cable Actuated
Max. Tooth: 36T
Min. Tooth: -
Chain Wrap Capacity: 45T
Cage Material: -
Chain Retention: Shadow
Color: Black
Weight: 286g

This product was added to our catalog on April 15, 2019

John K
Thursday, May 30 2024 (6 months ago)
Shimano Deore RD-M592 Rear Derailleur (Black) (9 Speed) (Long Cage) (SGS)
Provides more tension on the chain than my previous Sora derailleur. Have this Deore mounted on my Cannondale hybrid and it works phenomenally. So smooth, quiet and quick shifting. Have no issues with wheel clearance when removing, and installation was a breeze.
1 customer found this review helpful.
DJS
Verified Owner
Thursday, Sep 3 2020 (about 4 years ago)
Shimano Deore RD-M592 Rear Derailleur (Black) (9 Speed) (Long Cage) (SGS)
Replaced older deore 9 speed Derailleur with M925 and so far so good. Seems sturdily built and did not have issue other review complained about in having to remove derailleur to remove wheel. Did notice proper hanging position was tilted further back than I would have thought so wheel issues may be connected to that. Shimano has online manual that is excellent for installation info and torque numbers.
1 customer found this review helpful.
Richard Plastino
Verified Owner
Tuesday, Jul 14 2020 (about 4 years ago)
Shimano Deore RD-M592 Rear Derailleur (Black) (9 Speed) (Long Cage) (SGS)
This Shimano derailleur model has a major design flaw in the one inch long connecting rod from where it screws on to the hanger down to the derailleur body. This connector allows only about 30 degrees of movement of the derailleur body and on my Specialized mountain bike, I had to remove the entire derailleur when I wanted to remove the back tire. Otherwise the jockey wheels on the derailleur cage would interfere with the cassette when lifting the wheel off the bike. You are not able to pull the derailleur back far enough to clear the cassette due to the limit movement mentioned above.

It's a totally unworkable design and I've never seen this problem occur on any other Shimano derailleur ever.

The flaw would seem to apply to any bike with a cassette.
0 of 2 customers found this review helpful.
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