The Park Tool Chain Checker allows you to quickly assess the wear and stretch of any chain to help maintain a healthy drivetrain. Just insert the CC-2's pins into two links, secure the swing arm gauge, and then check the gauge window for an accurate reading. The CC-2 is 10- and 11-speed compatible.

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The easiest way to ensure that your shifting is the best it can be and prevent unnecessary wear on the rest of your drivetrain is ensuring that your chain is not excessively worn. Park Tool offers the CC-3. 2 which is by far the easiest to use chain wear measuring tool that is so quick to use we...

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