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Shimano Tourney TX55 Rear Derailleur

Item #: RD257A00
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USD$13.99 7% off USD$14.99 msrp
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Customers Also Bought
This economical replacement rear derailleur will provide index ("click") shifting compatibility with Shimano or SRAM 6 or 7 speed shifters, and will also work with older 5 speed shifters in friction mode.
  • Light action design
  • Handles up to a 34 tooth largest cog
Two mounting versions are available:
  • "BOLT-ON, FOR FRAMES W/ DERAILLEUR HANGER" is for frames that have a threaded derailleur hanger to accept the rear derailleur. Such frames usually have a quick-release rear wheel
  • "W/HANGER, FOR FRAMES WITH NO HANGER" is for frames that do not have a threaded derailleur hanger; the hanger is part of the rear derailleur and is held in place by the rear wheel - typically a nutted axle type found on less expensive "Mart" bicycles
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REVIEW SNAPSHOT®

by PowerReviews
Shimano Tourney TX55 Rear Derailleur
 
4.2

(based on 16 reviews)

Ratings Distribution

  • 5 Stars

     

    (8)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

93%

of respondents would recommend this to a friend.

Pros

  • Easy to install (10)
  • Durable (6)
  • Attractive (5)

Cons

    Best Uses

    • Mountain biking (6)
    • Upgrade (5)
    • Casual riding (3)
      • Reviewer Profile:
      • Avid cyclist (5), Casual/ recreational (4)
      • Was this a gift?:
      • No (7)

    Most Liked Positive Review

     

    Inexpensive but completely effective

    I have an older Schwinn mountain bike and I bought this derailleur to replace the original which had disintegrated. I was really surprised that this derailleur functioned better than my original one had and...Read complete review

    I have an older Schwinn mountain bike and I bought this derailleur to replace the original which had disintegrated. I was really surprised that this derailleur functioned better than my original one had and at such a low cost! I did have to cut the cable and sheathing to make them compatible with this derailleur and it took a few test rides to adjust it to shift gears smoothly- but after that it was perfect.

    VS

    Most Liked Negative Review

     

    Good alternative for a kids MTB RD

    I used this to replace the OEM rear derailleur on my son's Specialized Hotrock 6-speed that had one too many tumbles onto the sidewalk. Fitment was fine but the cage hangs kind of...Read complete review

    I used this to replace the OEM rear derailleur on my son's Specialized Hotrock 6-speed that had one too many tumbles onto the sidewalk. Fitment was fine but the cage hangs kind of low for a 20" wheeled bike.

    PS, if your kid is riding a geared bike - make sure you install one of those derailleur guards.

    Reviewed by 16 customers

    Sort by

    Displaying reviews 1-10

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    3.0

    Good alternative for a kids MTB RD

    By Bikebot 6000

    from Tinley Park, IL

    About Me Avid Cyclist

    Verified Reviewer

    Pros

    • Durable
    • Easy To Install

    Cons

    • Heavy

    Best Uses

    • Mountain Biking
    • Upgrade

    Comments about Shimano Tourney TX55 Rear Derailleur:

    I used this to replace the OEM rear derailleur on my son's Specialized Hotrock 6-speed that had one too many tumbles onto the sidewalk. Fitment was fine but the cage hangs kind of low for a 20" wheeled bike.

    PS, if your kid is riding a geared bike - make sure you install one of those derailleur guards.

    • Was this a gift?:
    • No
     
    5.0

    Easy install

    By Captain Dangerous

    from Apple Valley, CA.

    About Me Avid Cyclist

    Verified Buyer

    Pros

    • Easy To Install

    Cons

      Best Uses

        Comments about Shimano Tourney TX55 Rear Derailleur:

        Great product for the price, easy adjustment/ tune up.

        • Was this a gift?:
        • No
         
        5.0

        Great Product

        By Thack Attack

        from Clinton, IA

        About Me Avid Cyclist

        Verified Reviewer

        Pros

        • Attractive Design
        • Durable
        • Easy To Install

        Cons

          Best Uses

          • Mountain Biking
          • Upgrade

          Comments about Shimano Tourney TX55 Rear Derailleur:

          Product works great! Does what it's intended to be used for. I used it to replace one on my Trek 820.

          • Was this a gift?:
          • No

          (1 of 1 customers found this review helpful)

           
          4.0

          Big improvement over stock unit.

          By Markus

          from Sacto, Ca

          About Me Casual/ Recreational

          Verified Buyer

          Pros

          • Attractive Design
          • Durable
          • Easy To Install

          Cons

            Best Uses

            • Casual Riding
            • Mountain Biking
            • Upgrade

            Comments about Shimano Tourney TX55 Rear Derailleur:

            I use these to replace the stock der on "Mart" type bikes, which is usually a very poor performing unit. In the right version, this will bolt right in place of the stocker and be a easy upgrade.. they definitely will improve shifting. I suggest pairing this with a better index shifter and maybe a fresh freewheel.

            • Was this a gift?:
            • No

            (1 of 2 customers found this review helpful)

             
            5.0

            Long last replacement

            By bs

            from hopkinsville ky

            About Me Avid Cyclist

            Verified Reviewer

            Pros

            • Commuting
            • Durable
            • Easy To Install
            • Replacement

            Cons

            • Na

            Best Uses

            • Casual Riding
            • Daily Commuter
            • Mountain Biking
            • Replacement
            • Upgrade

            Comments about Shimano Tourney TX55 Rear Derailleur:

            Works really well as a replacement. I have a 2000 schwinn sidewinder with more than 20,000 miles and have gone through many derailleurs but this seems to be the best. It is simple to adjust and accurate.

            • Was this a gift?:
            • No

            (1 of 1 customers found this review helpful)

             
            5.0

            Delivered quickly, installed easily!

            By RK

            from Homestead, FL

            About Me Casual/ Recreational

            Verified Buyer

            Pros

            • Attractive Design
            • Easy To Install
            • Lightweight

            Cons

              Best Uses

              • Mountain Biking
              • Upgrade

              Comments about Shimano Tourney TX55 Rear Derailleur:

              My order was delivered quickly, installed easily and all at a great price. Thanks! I will order again and recommend you.

              • Was this a gift?:
              • Yes
               
              5.0

              Made my old bike like new again.

              By Retired Trail Finder

              from Baltimore, Md.

              About Me Casual/ Recreational

              Verified Buyer

              Pros

              • Attractive Design
              • Durable
              • Easy To Install
              • Lightweight

              Cons

                Best Uses

                • Mountain Biking

                Comments about Shimano Tourney TX55 Rear Derailleur:

                I have an 18 year old Mountain bike that been made new again by all the great Shimano parts on Jenson USA. The site really helps you pinpoint the part you need.

                • Was this a gift?:
                • No
                 
                4.0

                Pretty darn good.

                By ADI

                from Aurora, CO

                About Me Casual/ Recreational

                Verified Buyer

                Pros

                • Attractive Design
                • Easy To Install

                Cons

                  Best Uses

                    Comments about Shimano Tourney TX55 Rear Derailleur:

                    Installed this on an older MTB, works great and installation was not difficult for somebody who hasn't done it before.

                     
                    4.0

                    Makes an old bike shift like new

                    By Storz

                    from Ontario, Canada

                    About Me Avid Cyclist

                    Verified Buyer

                    Pros

                    • Easy To Install

                    Cons

                      Best Uses

                      • Casual Riding

                      Comments about Shimano Tourney TX55 Rear Derailleur:

                      Used this as part of an upgrade to an old bike. Now the old bike works better than new and more reliable shifts.

                      • Was this a gift?:
                      • No
                       
                      4.0

                      Inexpensive but completely effective

                      By Turtledung

                      from Philly

                      Verified Buyer

                      Pros

                      • Inexpensive
                      • Looks Aggressive
                      • Operates smoothly

                      Cons

                      • Tricky To Set Perfectly

                      Best Uses

                        Comments about Shimano Tourney TX55 Rear Derailleur:

                        I have an older Schwinn mountain bike and I bought this derailleur to replace the original which had disintegrated. I was really surprised that this derailleur functioned better than my original one had and at such a low cost! I did have to cut the cable and sheathing to make them compatible with this derailleur and it took a few test rides to adjust it to shift gears smoothly- but after that it was perfect.

                        Displaying reviews 1-10

                        Back to top

                        Previous | Next »

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                        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.