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Sram X.0 9 Speed Rear Derailleur 2011

Item #: RD290A00
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USD$169.99 25% off USD$227.00 msrp
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The SRAM X.0 rear derailleurs features a 1:1 shifter-to-derailleur actuation ratio for precise and quick shifting.
  • Replaceable 11 tooth pulleys with sealed-cartridge bearings
  • Shifter/Rear Derailleur: SRAM ESP
  • Largest Cog: 34 teeth
  • Chain Wrap Capacity: 45 teeth
  • Derailleur Action: Top-Normal (Traditional)
  • Cage Length: Long
  • Intended Use: Mountain
  • Drivetrain Spacing: Shimano/SRAM 9
Works with SRAM ESP 1:1 shifters only. Will not work with Shimano shifters.

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REVIEW SNAPSHOT®

by PowerReviews
Sram X.0 9 Speed Rear Derailleur 2011
 
4.9

(based on 15 reviews)

Ratings Distribution

  • 5 Stars

     

    (13)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Precise shifting (11)
  • Durable (9)
  • Lightweight (9)
  • Easy to install (6)
  • Enhances pedaling efficiency (5)

Cons

    Best Uses

    • Mountain biking (11)
      • Reviewer Profile:
      • Avid cyclist (10)
      • Was this a gift?:
      • No (10)

    Reviewed by 15 customers

    Sort by

    Displaying reviews 1-10

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    5.0

    If you can, buy it!

    By Razr

    from Brisbane

    About Me Avid Cyclist

    Verified Buyer

    Pros

    • Lightweight
    • Precise Shifting

    Cons

      Best Uses

      • Mountain Biking

      Comments about Sram X.0 9 Speed Rear Derailleur 2011:

      The move up from the sramx7 to the xo is worth it. As a regular wknd rider having the ability to hit all manner of trails and have solid confident shifting is worth the dollars spent. Wish I had this some time ago! Combined with other upgrades this has been a worthwhile investment.

      • Was this a gift?:
      • No
       
      5.0

      Sweet piece of gear.

      By Fippo

      from Phoenix, AZ

      About Me Avid Cyclist

      Pros

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

      Cons

        Best Uses

        • Mountain Biking

        Comments about Sram X.0 9 Speed Rear Derailleur 2011:

        I replaced the X-9 on my Supercaliber with the X-0 and, as much as I liked my X-9, I noticed an improvement. The installation took about 15-20 min. The shifting is precise and fast. Since then it has taken a beating and has held up well.

        • Was this a gift?:
        • No
         
        5.0

        Great derailleur

        By Brett

        from NY

        About Me Avid Cyclist

        Verified Reviewer

        Pros

        • Durable
        • Easy To Install
        • Lightweight
        • Precise Shifting

        Cons

          Best Uses

          • Mountain Biking

          Comments about Sram X.0 9 Speed Rear Derailleur 2011:

          This is a very nice derailleur. It shifts great and looks like a piece of art. It was a big step up from X7, I've heard X9 works as well, but if you have the cash this is worth it for the extra bling.

          • Was this a gift?:
          • No
           
          4.0

          law of diminishing returns

          By Kirby the Worm

          from Marlborough, MA

          About Me Avid Cyclist

          Verified Buyer

          Pros

          • Precise Shifting

          Cons

            Best Uses

            • Mountain Biking

            Comments about Sram X.0 9 Speed Rear Derailleur 2011:

            If you have the money to blow than buy this derailleur but its not worth the money. I've owned five X9's and three X0's and there is no noticable difference in form or function between the two.

            • Was this a gift?:
            • No
             
            4.0

            Last great derailleur by sram

            By Matt

            from North Carolina

            About Me Avid Cyclist

            Verified Reviewer

            Pros

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

            Cons

              Best Uses

              • Mountain Biking

              Comments about Sram X.0 9 Speed Rear Derailleur 2011:

              Sram did a great job with this derailleur its durable, stiff and shifts great.

               
              5.0

              Smooth as butter

              By jg

              from Colorado

              About Me Avid Cyclist

              Verified Reviewer

              Pros

              • Durable
              • Easy To Install
              • Extremely Reliable
              • Precise Shifting

              Cons

                Best Uses

                • Mountain Biking

                Comments about Sram X.0 9 Speed Rear Derailleur 2011:

                I have this on my Yeti ASR7 and it performs flawless whether on the singletrack or at the ski hills in Colorado. I'll run these any day over Shimano as they are 'set it and forget it'.

                • Was this a gift?:
                • No
                 
                5.0

                best derailleur ever made.

                By Jose

                from Vicenza Italy

                About Me Competitive Cyclist

                Pros

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

                Cons

                  Best Uses

                  • Mountain Biking

                  Comments about Sram X.0 9 Speed Rear Derailleur 2011:

                  Solid and durable design.

                  • Was this a gift?:
                  • No
                   
                  5.0

                  Best shifting I have ever experienced

                  By Damon

                  from Toronto, Canada

                  About Me Avid Cyclist

                  Pros

                  • Durable
                  • Lightweight
                  • Looks Awesome
                  • Precise Shifting

                  Cons

                  • None

                  Best Uses

                  • All Mountain
                  • DH
                  • DJ
                  • Mountain Biking

                  Comments about Sram X.0 9 Speed Rear Derailleur 2011:

                  The first thing that amazed me when I got my derailleur was the way it looked. It was so clean. I chose to get the X0 over something like X7 or X9 because of the weight. It is so light, and when paired with any SRAM shifter, you really cant get a much better drivetrain.

                  • Was this a gift?:
                  • No
                   
                  5.0

                  metal/carbon goodness

                  By vics26

                  from Canada

                  About Me Avid Cyclist

                  Verified Reviewer

                  Pros

                  • Durable
                  • Lightweight
                  • Precise Shifting

                  Cons

                    Best Uses

                    • Mountain Biking

                    Comments about Sram X.0 9 Speed Rear Derailleur 2011:

                    There is something special about the fusion of metal and carbon that makes this derailleur one of the best looking and best working units in the market.
                    Shifting is super precise in all types of condition and although being very light this unit is also super durable. Had this on my park/slope bike and never had any durability issues.
                    The derailleur works awesome in various conditions from super dusty to muddy condition, the one thing i also noticed is even in dusty/dry conditions the pulley wheel never squeaks as with some other units. Even when its not lubed it stays smooth and quiet.
                    Overall I am super happy with this unit its such a nice looking derailleur sometime I feel bad to ride it to hard.

                    • Was this a gift?:
                    • No
                     
                    5.0

                    Totally worth the money!

                    By Dmeul3

                    from Grand rapids, MI

                    About Me Avid Cyclist

                    Pros

                    • Durable
                    • Enhances Pedaling Efficiency
                    • Lightweight
                    • Precise Shifting

                    Cons

                      Best Uses

                      • Mountain Biking

                      Comments about Sram X.0 9 Speed Rear Derailleur 2011:

                      The x0's cost was about $100 more than the x9, but the performance enhancement makes it soooooo worth it. I highly reccomend it. I previously had a x7 and the cage snapped off just from doing a bunny hop (weird right?). Anyways, make sure you follow the directions word for word when u install it, following all the torque specs. It will save you heartache later on.

                      • Was this a gift?:
                      • No

                      Displaying reviews 1-10

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