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Shimano Deore M592 SGS Shadow Derailleur

Item #: RD277A00
Qty
The versatile Deore rear derailleur is now available in a Shadow version! Also found on XTR and XT, Shadow technology uses a lower profile, making snags on rocks, branches or anything else that might jump out less of a worry.  Other innovations that found on Deore include Direct Cable Routing and single tension construction.  With Deore you can enjoy most of the performance found on XTR at a fraction of the cost.
  • Low Profile Shadow rear derailleur
  • Top normal design (traditionally sprung)
  • Low profile single tension construction
  • Crisp shifting feel
  • Approximate weight 286 grams
  • Works with Shimano 9 speed shifter or SRAM Attack shifters

REVIEW SNAPSHOT®

by PowerReviews
Shimano Deore M592 SGS Shadow Derailleur
 
4.5

(based on 13 reviews)

Ratings Distribution

  • 5 Stars

     

    (7)

  • 4 Stars

     

    (6)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Precise shifting (8)
  • Easy to install (7)
  • Durable (6)
  • Lightweight (3)

Cons

No Cons

Best Uses

  • Mountain biking (9)
    • Reviewer Profile:
    • Avid cyclist (5), Casual/ recreational (4)
    • Was this a gift?:
    • No (10)

Reviewed by 13 customers

Displaying reviews 1-10

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5.0

Solid Shimano Derailleur

By Aaron

from MN

About Me Commuter

Verified Buyer

Pros

  • Durable
  • Precise Shifting

Cons

    Best Uses

      Comments about Shimano Deore M592 SGS Shadow Derailleur:

      Good for wide range cassettes -- handles a 12-36 cassette easily.

      • Was this a gift?:
      • No
       
      5.0

      Sweet upgrade, works great with 36 tooth cassette

      By Back Wheel Bob

      from Birmingham Alabama

      About Me Avid Cyclist

      Verified Buyer

      Pros

      • 36t Cassette Capable
      • Best Choice For 8 Or 9sp
      • Better Cable Routing
      • Better Chain Tension
      • Easy Install
      • Low Side Profile

      Cons

        Best Uses

        • 36 Tooth Cassette Capable
        • Mountain Biking

        Comments about Shimano Deore M592 SGS Shadow Derailleur:

        This is the best choice for 8 or 9 speed because it can handle 36 tooth rear cassette . The "Shadow Design" means it has a low side profile so it's tucked under chain stay and out of harms way. I bought this to replace an older designed
        XT that could not handle cassette over 32 tooth . Has good chain retention spring
        and much better cable routing .

        • Was this a gift?:
        • No
         
        4.0

        satisfied

        By ricker

        from northern Minnesota

        About Me Avid Cyclist

        Verified Buyer

        Pros

        • Easy To Install
        • Precise Shifting

        Cons

          Best Uses

          • Mountain Biking

          Comments about Shimano Deore M592 SGS Shadow Derailleur:

          Good product for price point.

          • Was this a gift?:
          • No
           
          4.0

          great product for the price

          By tj

          from Atlanta, GA

          About Me Avid Cyclist

          Verified Buyer

          Pros

          • Durable
          • Easy To Install

          Cons

            Best Uses

            • Mountain Biking

            Comments about Shimano Deore M592 SGS Shadow Derailleur:

            Replacement & upgrade for broken derailleur. Works smooth and seems reliable. Like the raised shadow design. Great price for an item that gets damaged easily. As noted in other reviews, put your money into the shifter it is more important than the derailleur. And this fits the quality vs price match point.

            • Was this a gift?:
            • No
             
            4.0

            Good for the price

            By Omar

            from Torreon, Mexico

            About Me Casual/ Recreational

            Verified Buyer

            Pros

            • Durable

            Cons

            • Poor Shifting Ability

            Best Uses

            • Mountain Biking

            Comments about Shimano Deore M592 SGS Shadow Derailleur:

            I dont know why but my alivio deralieur was shifting better than this Deore.

            • Was this a gift?:
            • No
             
            5.0

            Wonderful derailleur at a bargain price

            By Bts713

            from Bowling Green, KY

            About Me Casual/ Recreational

            Verified Buyer

            Pros

            • Easy To Install
            • Precise Shifting

            Cons

              Best Uses

              • Mountain Biking

              Comments about Shimano Deore M592 SGS Shadow Derailleur:

              I installed this as a replacement for an old Shimano that was damaged beyond repair. It works like a charm on my 7 speed cassette and 1998 Shimano shifter.

              • Was this a gift?:
              • No
               
              5.0

              Good Value

              By Ken

              from San Diego

              About Me Casual/ Recreational

              Verified Buyer

              Pros

              • Durable
              • Easy To Install
              • Precise Shifting

              Cons

                Best Uses

                • Mountain Biking

                Comments about Shimano Deore M592 SGS Shadow Derailleur:

                Much cheaper than the XTR that came originally with the bike but shifts just as well. It may weigh a few ounces more but seems to perform just as well as the much more expensive XTR.

                • Was this a gift?:
                • No
                 
                4.0

                Capable derailleur

                By PacNW Hiker

                from Washington State

                About Me Avid Cyclist

                Verified Buyer

                Pros

                • 36t Capable
                • Lightweight
                • Precise Shifting
                • Value

                Cons

                • Ugly

                Best Uses

                • Mountain Biking
                • Touring Bike

                Comments about Shimano Deore M592 SGS Shadow Derailleur:

                Purchased to allow an upgrade to a 12-36t cassette on my touring bike. Easy to install and adjust. Works as advertised and reaches the big cog easily. It's a little "transformer looking" which prompted the "ugly" Con, but it works well; as most Shimano items do.

                • Was this a gift?:
                • No
                 
                5.0

                So far so good

                By zoom

                from Tampa

                Verified Buyer

                Pros

                • Easy To Install
                • Enhances Pedaling Efficiency
                • Lightweight
                • Precise Shifting

                Cons

                  Best Uses

                    Comments about Shimano Deore M592 SGS Shadow Derailleur:

                    I upgraded my stock alivio to this and noticed an immediate difference in performance. I kept the stock shifters and they work fine so far in. I only have 25 miles on it but did not need to adjust during my off road ride with hills bumps and roots the whole time. Much smoother and confidence inspiring. The shadow design tucks in nicely. I had to cut existing cable to install but it was easy enough. Had to adjust H L screws for my 9 speed. Hopefully it will last awhile.

                     
                    4.0

                    Shimano Deore M592 Shadow Derailleur

                    By yobilly

                    from Riverside, CA.

                    About Me Casual/ Recreational

                    Verified Buyer

                    Pros

                    • Durable
                    • Easy To Install
                    • Economical
                    • Enhances Pedaling Efficiency
                    • Lightweight
                    • Precise Shifting

                    Cons

                      Best Uses

                      • Mountain Biking

                      Comments about Shimano Deore M592 SGS Shadow Derailleur:

                      Fantastic for the budget buyer/ builder . A great aftermarket replacement or upgrade. Long lasting durability as with all Shimano products

                      • Was this a gift?:
                      • No

                      Displaying reviews 1-10

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                      Free Shipping Offer

                      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.