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Park Tool CNW-2 Chainring Nut Wrench

Item #: TL406B01
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USD$3.56 10% off USD$3.95 msrp
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This handy tool fits securely into the slots on the reverse side of a chainring bolt so it doesnt spin while you loosen the bolt. Designed specifically for the job, the revised CNW-2 (replaces CNW-1) makes removing chainring bolts much easier.

REVIEW SNAPSHOT®

by PowerReviews
Park Tool CNW-2 Chainring Nut Wrench
 
4.2

(based on 13 reviews)

Ratings Distribution

  • 5 Stars

     

    (5)

  • 4 Stars

     

    (7)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Good grip (3)

Cons

    Best Uses

    • Keep in the garage (3)
    • Mountain bikes (3)
    • Road bikes (3)
      • Reviewer Profile:
      • Avid cyclist (3)
      • Was this a gift?:
      • No (4)

    Most Liked Positive Review

     

    Frustrating tool, but..

    This tool works. But not in every situation. There are times when the female "bolt" installs more than flush with the male "nut." This makes seating the tool very...Read complete review

    This tool works. But not in every situation. There are times when the female "bolt" installs more than flush with the male "nut." This makes seating the tool very tricky, especially if the chainring bolts are at all frozen in place. As with a previous reviewer, I too have lost some knuckle skin extracting stubborn bolts with this tool.

    I wish there were a more fool-proof solution, but until then, grease your chainring bolts and buy this tool!

    VS

    Most Liked Negative Review

     

    Works, but with a catch

    It does work, but it doesn't hold the chainring nuts super well. I ended up with a set of bloody knuckes.

    Not the very good. But it will work.... Eventually.

    It does work, but it doesn't hold the chainring nuts super well. I ended up with a set of bloody knuckes.

    Not the very good. But it will work.... Eventually.

    Reviewed by 13 customers

    Sort by

    Displaying reviews 1-10

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    4.0

    Better than a screw driver!

    By Rich

    from D.C.

    About Me Avid Cyclist

    Verified Buyer

    Pros

      Cons

        Best Uses

        • Keep In the Garage
        • Mountain Bikes
        • Road Bikes

        Comments about Park Tool CNW-2 Chainring Nut Wrench:

        Well worth the price if you need to change out chain rings. My cross bike get 36/46 up front during the race season, and then gets 50/34 as my gravel/rough road/winter bike the rest of the year. I have mangled soft bolts with a screw driver. This tool is less than a new set of bolts, and gets the job done.

        • Was this a gift?:
        • No
         
        5.0

        One of the best tool for tinkering

        By gas wormsy

        from Burbank, CA

        Verified Reviewer

        Pros

        • Good Grip
        • Lightweight
        • Versatile

        Cons

          Best Uses

          • City Bikes
          • Mountain Bikes
          • Road Bikes

          Comments about Park Tool CNW-2 Chainring Nut Wrench:

          Great tool for customizing chainwheel (removing/installing chainring)

           
          4.0

          Works

          By Mr S

          from Ontario, Canada

          About Me Avid Cyclist

          Verified Buyer

          Pros

            Cons

              Best Uses

                Comments about Park Tool CNW-2 Chainring Nut Wrench:

                Doesn't have a tight fit which means it 'can' be awkward at times holding the tool securely into the nut with one hand while using an allen wrench on the other side of the chainring. In the end though, it works and is easier than trying to use a screwdriver. Also comes in handy when replacing the derailleur hanger.

                • Was this a gift?:
                • No
                 
                5.0

                A must have tool

                By The Singlespeedman

                from Riverside, CA

                Verified Buyer

                Pros

                • Good Grip
                • Rugged
                • Versatile

                Cons

                  Best Uses

                  • Keep In the Garage

                  Comments about Park Tool CNW-2 Chainring Nut Wrench:

                  This is the second chainring bolt tool that I've bought. The first was a one-sided Park. This one is double sided. It's small and easy to misplace. I attached a 2" ring to it so It'll stand out it the toolbox. End your frustration and buy the right tool for the job.

                  • Was this a gift?:
                  • No
                   
                  5.0

                  Can be useful

                  By Mtnbkr3179

                  from Princeton, WV

                  About Me Avid Cyclist

                  Verified Buyer

                  Pros

                  • Good Grip
                  • Lightweight
                  • Rugged

                  Cons

                    Best Uses

                    • City Bikes
                    • Keep In the Garage
                    • Mountain Bikes
                    • Road Bikes

                    Comments about Park Tool CNW-2 Chainring Nut Wrench:

                    I bought this but it can be a take it or leave it item. I added it to my on the road kit. I never needed it to remove chainring bolts. Though I have used it for the sake of trying it out. May come in handy for siezed bolts. Good quality and tough. Park quality of course.

                    • Was this a gift?:
                    • No
                     
                    4.0

                    Frustrating tool, but..

                    By Nate

                    from Cambridge, MA

                    Verified Reviewer

                    Pros

                    • You Need It

                    Cons

                    • Frustration

                    Best Uses

                      Comments about Park Tool CNW-2 Chainring Nut Wrench:

                      This tool works. But not in every situation. There are times when the female "bolt" installs more than flush with the male "nut." This makes seating the tool very tricky, especially if the chainring bolts are at all frozen in place. As with a previous reviewer, I too have lost some knuckle skin extracting stubborn bolts with this tool.

                      I wish there were a more fool-proof solution, but until then, grease your chainring bolts and buy this tool!

                       
                      5.0

                      Does the Job!

                      By Edan the Man with the Plan

                      from Orlando, FL

                      Verified Reviewer

                      Pros

                      • cheap
                      • Efficient

                      Cons

                      • Slightly Unwieldy

                      Best Uses

                      • Chainring Replacement

                      Comments about Park Tool CNW-2 Chainring Nut Wrench:

                      This tool makes working on chainrings much easier than using a flathead screwdriver. It works fairly well and locks in pretty well. It can be a little hard to hold while also using the allen wrench, but it is easier than anything else.

                       
                      4.0

                      Cheap and easy to use

                      By Dustin

                      from Australia

                      Verified Reviewer

                      Comments about Park Tool CNW-2 Chainring Nut Wrench:

                      Couldn't be easier to use and beats trying to use a flathead screwdriver to hold the inner nut in place. Can't go wrong for the price.

                       
                      2.0

                      Works, but with a catch

                      By Scott

                      from Montreal, Quebec

                      Verified Reviewer

                      Pros

                      • Holds The Nut

                      Cons

                      • Shredded Knuckles

                      Best Uses

                      • Chainring Bolts

                      Comments about Park Tool CNW-2 Chainring Nut Wrench:

                      It does work, but it doesn't hold the chainring nuts super well. I ended up with a set of bloody knuckes.

                      Not the very good. But it will work.... Eventually.

                       
                      4.0

                      Just what I needed

                      By Bikebot 6000

                      from Tinley Park, IL

                      Verified Reviewer

                      Comments about Park Tool CNW-2 Chainring Nut Wrench:

                      This tool is great for tightening those pesky chainring bolts. The wrench can still slip out of the bolt slots easily but that is more beacause of the bolt desing than the tool's fault.

                      Displaying reviews 1-10

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