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Shimano XT RD-M786 10SPD Rear Derailleur

Item #: RD245A03
USD$68.99 SAVE 22% USD$88.99 msrp
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Shimano XT RD-M786 10SPD Rear Derailleur

Featuring Shimano’s innovative Shadow clutch technology, the Deore XT rear derailleur is designed for today’s aggressive style of trail and all-mountain riding. By maintaining chain tension, the Shadow system eliminates chain slap and lowers the chances of dropping your chain. Other improvements include reduced noise and rotational drag as well as a low-profile pulley cage for better clearance over harsh terrain. Why choose an XT derailleur over a cheaper derailleur? Built for heavy duty and long life in demanding trail conditions, the XT's overall linkage is stiffer and has a more machined construction, increasing durability and stiffness, which also increases shift quality. The pulleys are also of a higher quality, and spin easier for less drivetrain drag. The whole derailleur is built to exacting standards and will last significantly longer than a cheaper derailleur as well.

Don't know which cage length to choose? Choose a long cage "SGS" derailleur if you have 3 chainrings on your crankset, and a medium cage "GS" if you have 2 or fewer front chainrings.

  • Compatible with 10 speed drivetrains
  • Uses Shadow derailleur clutch
  • Low profile pulley cage
  • Weight: 258g

REVIEW SNAPSHOT®

by PowerReviews
Shimano XT RD-M786 10SPD Rear Derailleur
 
4.8

(based on 123 reviews)

Ratings Distribution

  • 5 Stars

     

    (101)

  • 4 Stars

     

    (19)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (1)

98%

of respondents would recommend this to a friend.

Pros

  • Durable (91)
  • Lightweight (55)
  • Easy to install (52)
  • Easy to use (39)
  • Attractive (38)

Cons

No Cons

Best Uses

  • Mountain biking (60)
  • Mountain bikes (48)
  • Upgrade (20)
  • Racing (10)
  • Long rides (8)
    • Reviewer Profile:
    • Avid cyclist (79), Competitive cyclist (20), Casual/ recreational (18)
    • Was this a gift?:
    • No (116)

Most Liked Positive Review

 

Expected Shimano quality delivered again

I bought this derailleur to set a mountain bike up as a 1x10 with a narrow wide chainring and so far have been very pleased with the results! I have taken the bike on...Read complete review

I bought this derailleur to set a mountain bike up as a 1x10 with a narrow wide chainring and so far have been very pleased with the results! I have taken the bike on several rides, and have really enjoyed improved shifting performance and have yet to experience a chain drop (knock on wood). If you're looking at this product, you probably know that XT is one of the industry standards in balancing quality, performance, and durability; this derailleur is no exception!

VS

Most Liked Negative Review

 

not usual shimano quality

Installed to replace a non clutch XT mech (stick ripped apart the direct mount hanger), works well out of the box and shifts well. Unfortunately though, it seems to be made out...Read complete review

Installed to replace a non clutch XT mech (stick ripped apart the direct mount hanger), works well out of the box and shifts well. Unfortunately though, it seems to be made out of cheese and could not survive a small knock which bent it to the point I cannot get lowest gear.

Just simply not worth the money when you are paying for light weight materials that cannot take any knocks, it is mountain biking after all.

All in all, 4 months of bliss, should be at least 4 years.

Reviewed by 123 customers

Displaying reviews 1-10

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5.0

Shimano XT- the standard that every manufacturer strives for

By Super-Clyde!

from Dongducheon, South Korea

About Me Avid Cyclist

Verified Buyer

Pros

  • Durable
  • Easy to Use
  • Gotta love the Clutch mechanism!
  • Lightweight
  • Smooth and reliable Shifting!
  • Versatile

Cons

    Best Uses

    • Capable Urban Assault Bikes!
    • Mountain Bikes

    Comments about Shimano XT RD-M786 10SPD Rear Derailleur:

    What can I say- the XT does what I need it to do and lasts a very long time if not neglected and abused!

    • Was this a gift?:
    • No
     
    5.0

    Excellent

    By JBL

    from Trumbull, CT

    About Me Avid Cyclist

    Verified Buyer

    Pros

    • Durable
    • Easy to Use

    Cons

      Best Uses

      • Mountain Bikes

      Comments about Shimano XT RD-M786 10SPD Rear Derailleur:

      Clutch is awesome for single ring without chain guide

      • Was this a gift?:
      • No
       
      5.0

      solid derailleur

      By sauce

      from il

      About Me Casual/ Recreational

      Verified Buyer

      Pros

      • Durable
      • easy to adjust

      Cons

        Best Uses

        • Mountain Bikes

        Comments about Shimano XT RD-M786 10SPD Rear Derailleur:

        solved a shifting problem with this upgrade

        • Was this a gift?:
        • No

        (1 of 1 customers found this review helpful)

         
        5.0

        Good Derailleur!

        By Tom

        from Pittsburgh, PA

        About Me Competitive Cyclist

        Verified Buyer

        Pros

        • Durable
        • Easy to Use
        • Lightweight
        • Low Cost

        Cons

          Best Uses

          • Mountain Bikes

          Comments about Shimano XT RD-M786 10SPD Rear Derailleur:

          Solid product. Using with a Wolftooth 42T ring and no issues. Shifting is crisp and the clutch works great! I actually like this better than 11 speed.

          • Was this a gift?:
          • No
           
          4.0

          Awesome for the price

          By Stiles

          from Bend, or

          Verified Buyer

          Pros

          • Durable
          • Easy to Use
          • Versatile

          Cons

          • Clutch had some play

          Best Uses

          • Mountain Bikes

          Comments about Shimano XT RD-M786 10SPD Rear Derailleur:

          DH, bike park, and xc. 1x10 conversion with sun race casset and 30t narrow wide

          • Was this a gift?:
          • No
           
          4.0

          Good working derailleur

          By Chuckt

          from Albuquerque, NM

          About Me Casual/ Recreational

          Verified Buyer

          Pros

          • Easy to Use
          • Lightweight

          Cons

          • Haven't found one yet.

          Best Uses

          • Mountain Bikes

          Comments about Shimano XT RD-M786 10SPD Rear Derailleur:

          New MTB build, not many miles yet, but expect to get good long life based on past experience with Shimano products

          • Was this a gift?:
          • No
           
          5.0

          Recommended

          By JPVM

          from Santiago, Chile

          About Me Competitive Cyclist

          Verified Buyer

          Pros

          • Durable
          • Easy to Use

          Cons

            Best Uses

            • Mountain Bikes

            Comments about Shimano XT RD-M786 10SPD Rear Derailleur:

            You cant go wrong with Shimano !!!

            • Was this a gift?:
            • No
             
            5.0

            Nice upgrade

            By D

            from NY

            About Me Avid Cyclist

            Verified Buyer

            Pros

            • Durable
            • Easy to Use
            • Lightweight
            • Versatile

            Cons

              Best Uses

              • Mountain Bikes

              Comments about Shimano XT RD-M786 10SPD Rear Derailleur:

              Nice step up from SLX

              • Was this a gift?:
              • No
               
              5.0

              Great so far. No missed shifts, smooth, accurate.

              By Andy E.

              from Rochester, NY

              About Me Avid Cyclist

              Verified Buyer

              Pros

              • Durable
              • Easy to Use
              • Lightweight
              • Versatile

              Cons

                Best Uses

                • Long Rides
                • Mountain Bikes

                Comments about Shimano XT RD-M786 10SPD Rear Derailleur:

                I ride my fat one year round on single track. I had a Deore SLX rear drive train. I've swapped my shifter, cassette, and now my deraileur for xt and could t be happier. This derailleur is really smooth, hasn't missed a shift yet, and was worth every penny.

                • Was this a gift?:
                • No
                 
                5.0

                Works,no more chain noise,no dropped chain.

                By Budgie

                from Santa Barbara

                About Me Avid Cyclist

                Verified Buyer

                Pros

                • Durable
                • Easy to Use
                • Versatile

                Cons

                  Best Uses

                  • Mountain Bikes

                  Comments about Shimano XT RD-M786 10SPD Rear Derailleur:

                  No more chain noise

                  • Was this a gift?:
                  • No

                  Displaying reviews 1-10

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                  Do you have questions about this product?

                  Get answers from real customers and in-house experts with AnswerBox.

                  3 Questions | 1 Answer
                  Displaying questions 1-3
                  • Q:

                    I can't see the product picture. Is it for sure a shadow plus?
                    Asked on 6/3/2016 by Daniel

                    0 answers

                  • Q:

                    Is this compatible with a 9 speed cassette and 9 speed shifters?
                    Asked on 4/18/2016 by Hank

                    0 answers

                  • Q:

                    I want to upgrade to a Shimano xt-rd-m786 rear derailleur will it fit my bike my cassette is 11-36 and my chainset is 44-33-22

                    thank you
                    Asked on 4/15/2016 by Mr. G from Buffalo NY

                    1 answer

                    • Staff Reviewer

                      A:

                      Yes, assuming that your cassette and crank are 10 speed, this derailleur will work fine with your crank and cassette. You need the "long cage" option to accommodate your current gear range. Make sure to select that option in the drop down menu when placing your order.

                      Answered on 4/18/2016 by Brandon from Riverside, CA
                  Displaying questions 1-3

                  Do you have a question about this product? 

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                  Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

                  Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.