Park Tool Chain Checker

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To alleveiate poor shifting and uneven drivetrain wear, use the Park Tool Chain Checker to quickly and accurately determine the wear and stretch of any chain.

  • Features

    • Compatible with all derailleur chains
    • Simply insert the Chain Checker's pins into 2 links, lightly press the swing arm gauge, then check the gauge window for an accurate reading
    • For 9- and 10-speed chains, replace chain at or just before the 0.75% readings; for 11- and 12-speed chains, replace at or just before the 0.5% reading
    • Check with manufacturer for specific replacement instructions

    Made in USA.

    View all Park Tool Bike Chain Tools
  • Technical Specs

    Best Use

    Cycling

    Dimensions

    5.5 x 1 x .5 inches

    Weight

    .15 pounds

  • Reviews
    5 reviews with an average rating of 4.6 out of 5 stars

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