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Surly Singleator Chain Tensioner

Item #: RD707Y01
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Heads up, singlespeeders! If youre trying to convert any recent model bike into a singlespeed, youve probably realized by now that since the dropouts are vertical, there isnt any way to properly tension the chain. Surly comes to the rescue with the Singleator. This handy device mounts to the derailleur hanger and provides proper chain tension in a simple, lightweight package.

  • Tensioner allows use of 1-speed drivetrain on vertical drop frame
  • Mounts to derailleur hanger, self aligning floating pulley
  • Adjustable chain line
  • anti-chain drop hoop
  • This part requires an 18mm Cone wrench to make it work. See the the Surly wrench below. Its the perfect fit. If you are self-installing, make sure to have one on hand. Make sure to read the instructions.
  • Weight: 157 g
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REVIEW SNAPSHOT®

by PowerReviews
Surly Singleator Chain Tensioner
 
3.9

(based on 18 reviews)

Ratings Distribution

  • 5 Stars

     

    (10)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (3)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (2)

100%

of respondents would recommend this to a friend.

Pros

  • Attractive (4)
  • Easy to install (4)

Cons

    Best Uses

    • Mountain biking (3)
      • Reviewer Profile:
      • Avid cyclist (4)
      • Was this a gift?:
      • No (4)

    Most Liked Positive Review

     

    Nice design...Good build

    I used this component on a single speed road bike conversion. It was easy to install (I set it up to tension the chain upwards, using the supplied spring.) I used it...Read complete review

    I used this component on a single speed road bike conversion. It was easy to install (I set it up to tension the chain upwards, using the supplied spring.) I used it with the Gusset single speed conversion kit...I was a little worried about the chain line, but it set up perfectly. I've been surprised at how little tension it takes for proper operation. It's quiet, and I haven't experienced any problems with the chain skipping on the cog. That may be a mountain bike only problem. All in all, a great product.

    VS

    Most Liked Negative Review

     

    Don't waste your money

    Went through a lot to dial in my singlespeed slopestyle set up and it would've been a lot easier if I started with a cheaper tensioner (ended up with the gusset) . First off...Read complete review

    Went through a lot to dial in my singlespeed slopestyle set up and it would've been a lot easier if I started with a cheaper tensioner (ended up with the gusset) . First off the integral spring design is weak and does not provide as much tension as the lever type found on cheaper tensioners. Carrying around a cone wrench to tighten this thing on the trails is just ridiculous. There is also nothing to keep the tensioner from loosening on the hanger even though cheaper tensioners have this feature. The tensioner constantly failed with proper chain length/line and loosened all the time. The only nice part of the tensioner is the big rings that protect the pulley, I pulled them off and put them on my gusset tensioner for a sweet setup that has zero problems.

    Bottom line is I wish I spoke to my LBS shop guys before I wasted money as they confirmed all of the same problems I had setting up the bike.

    Absolutely did not work in push down configuration on my norco empire 5. Don't waste your money cheaper tensioners work way better! Not a single problem with my gusset

    Reviewed by 18 customers

    Sort by

    Displaying reviews 1-10

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    5.0

    Single minded perfection!

    By Murse1

    from canyon lake, ca

    About Me Competitive Cyclist

    Verified Buyer

    Pros

    • Attractive Design
    • Easy To Install
    • Lightweight

    Cons

      Best Uses

      • Mountain Biking

      Comments about Surly Singleator Chain Tensioner:

      Follow the directions and it works perfect!

      (1 of 1 customers found this review helpful)

       
      2.0

      Don't waste your money

      By Mattyd

      from Utah

      About Me Avid Cyclist

      Verified Reviewer

      Pros

      • Easy To Install

      Cons

      • Bulky
      • Weak Spring

      Best Uses

      • Mountain Biking

      Comments about Surly Singleator Chain Tensioner:

      Went through a lot to dial in my singlespeed slopestyle set up and it would've been a lot easier if I started with a cheaper tensioner (ended up with the gusset) . First off the integral spring design is weak and does not provide as much tension as the lever type found on cheaper tensioners. Carrying around a cone wrench to tighten this thing on the trails is just ridiculous. There is also nothing to keep the tensioner from loosening on the hanger even though cheaper tensioners have this feature. The tensioner constantly failed with proper chain length/line and loosened all the time. The only nice part of the tensioner is the big rings that protect the pulley, I pulled them off and put them on my gusset tensioner for a sweet setup that has zero problems.

      Bottom line is I wish I spoke to my LBS shop guys before I wasted money as they confirmed all of the same problems I had setting up the bike.

      Absolutely did not work in push down configuration on my norco empire 5. Don't waste your money cheaper tensioners work way better! Not a single problem with my gusset

      • Was this a gift?:
      • No
       
      5.0

      Nice

      By Slow Fast Slow

      from Worcester MASS

      About Me Avid Cyclist

      Verified Buyer

      Pros

      • Attractive Design
      • Durable
      • Gets The Job Done

      Cons

        Best Uses

        • Casual Riding
        • Road Biking

        Comments about Surly Singleator Chain Tensioner:

        Very nice - Installation is a little tricky - not a problem, but you can't just slap it on. There are others out there that do the same thing, but I went with Surly since I knew this had to be a tried and true design - worth a few extra bucks.

        • Was this a gift?:
        • No
         
        4.0

        Easy peasy

        By MegaMustang

        from Stuttgart, Germany

        About Me Avid Cyclist

        Verified Buyer

        Pros

        • Attractive Design
        • Easy To Install

        Cons

          Best Uses

          • Mountain Biking
          • Upgrade

          Comments about Surly Singleator Chain Tensioner:

          Useful in quick conversion to single-speed without having to buy new wheel, hub, etc.

          • Was this a gift?:
          • No
           
          5.0

          Nice design...Good build

          By Jay

          from Phoenix, Arizona

          About Me Avid Cyclist

          Verified Reviewer

          Pros

          • Attractive Design
          • Durable
          • Easy To Install
          • Lightweight
          • Quieter Than Expected

          Cons

            Best Uses

            • Road Biking

            Comments about Surly Singleator Chain Tensioner:

            I used this component on a single speed road bike conversion. It was easy to install (I set it up to tension the chain upwards, using the supplied spring.) I used it with the Gusset single speed conversion kit...I was a little worried about the chain line, but it set up perfectly. I've been surprised at how little tension it takes for proper operation. It's quiet, and I haven't experienced any problems with the chain skipping on the cog. That may be a mountain bike only problem. All in all, a great product.

            • Was this a gift?:
            • No
             
            5.0

            Surly singulator AWESOME!!!!!!

            By gtalaa

            from Central Illinois

            Verified Buyer

            Comments about Surly Singleator Chain Tensioner:

            I reversed the spring for the singulator to be pushing up on the chain and it works flawlessly. I've been using a standard tensioner most others have been using for years and it skips teeth and bouces around on decents. This one is dead quiet and never skips teeth even on the most grueling climbs (32x18 gearing). I like how the spring is internal and the unit is very nice looking. With the way I'm running this unit, it is almost unnoticable on the bike as it runs close the the bottom triangle rail. I love this thing.

            (1 of 2 customers found this review helpful)

             
            3.0

            You absolutely DO...

            By Jari

            from Warrensburg, Mo United States

            Comments about Surly Singleator Chain Tensioner:

            You absolutely DO NOT need their overpriced bottle opener, the action of your Hex wrench sticks it to the frame and it's the *position* that makes tension...I really have no idea what that wrench is for.

             
            5.0

            work s fairly well,...

            By Dan

            from Negaunee, Mi United States

            Comments about Surly Singleator Chain Tensioner:

            work s fairly well, sometimes chain will hit the frame but i havent had it pop off yet. the tool would help alot in the installation process but i made do.

             
            1.0

            It's fussy to...

            By Patrick

            from Colorado Springs, Co United States

            Comments about Surly Singleator Chain Tensioner:

            It's fussy to install and it performs poorly. They obviously cut corners on it's design and did not test it thoroughly.

             
            5.0

            awesome if serious...

            By Josh

            from Greenville,Mi

            Comments about Surly Singleator Chain Tensioner:

            awesome if serious about converting to SS buy it worth the coin, spring up or down both work well chain stays where it needs to be, and im riding full rigid so it rough going, just be sure to get a straight chain line

            Displaying reviews 1-10

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