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Shimano XTR M985 Rear Derailleur

Item #: RD255A00
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You already know about Shimano shadow technology, which protects your rear derailleur from impact by neatly tucking it away, closer to your cassette cogs where its better protected from sticks and rock impact. The new Stabilizer version takes it a step further, adding adjustable spring resistance to allow you to reduce chainslap under rough riding conditions. Turn on for reduced chainslap and likelihood of derailment, off for normal riding or easy wheel installation.

All the other XTR-level top quality features are here too, like very lightweight design, compatibility with Shimanos 10 speed MTB Dyna-Sys components, and the legendary Shimano XTR warranty.



REVIEW SNAPSHOT®

by PowerReviews
 
4.5

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Reviewed by 4 customers

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Displaying reviews 1-4

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4.0

Works as advertised

By Randy

from Calgary, AB Canada

Verified Reviewer

Pros

  • Nice and quiet
  • Wheel Removal Is Easy

Cons

  • Price

Best Uses

  • If You Have A Noisy Bike

Works as advertised. Removing the rear wheel is easy when the clutch is disengaged, which was my biggest complaint about my old SRAM set ups.

I have read that for the price, durability can be an issue but after almost 10 months of hard riding, mine is still going strong. Still, coughing up 200 bones is hard. Thankfully, XT derailleurs now have this feature.

 
5.0

XTR is good stuff as usual

By Stevoo

from So Cal

Verified Buyer

Much better than the SRAM X9 rear changer that it replaced. Shimano quality and geometry is much better. The damping clutch is a neat touch.

 
5.0

brilliant

By gaza

from Melbourne Australia

Verified Buyer

Pros

  • No chain slap

Cons

  • Disassemble to turn off

Best Uses

    had to get used to not hearing the chain rattling around. shifting is slightly less efficient but not a down side.

     
    4.0

    Great component upgrade

    By FUI

    from New Zealand

    Verified Reviewer

    Pros

    • Cuts down chain noise
    • More positive feel
    • Reduces chain slap
    • Stops dropped chain

    Cons

    • Harder down shift

    Best Uses

      This is a fantastic piece of hardware. I have now got them on both my bikes and i wouln'd use any thing else. Shifting is fast and positive. The chain slap and noise when riding over rough ground is dramaticaly reduced. The only down side is when changing to a bigger cog on the cassette the gear shift is a bit harder, but you dont notice it when riding.

      Displaying reviews 1-4

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