Park Tool Chain Checker Chain Tools, Chain Checker

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Quickly and accurately determine the wear and stretch of any chain with the Park Tool Chain Checker Simply insert the Chain Checker’s pins into two links, lightly press the swing a rm gauge, and then check the gauge window for an accurate reading For 9 and 10-speed chains, replace chain at or just before the 0.75% reading - for 11 and 12-speed chains, replace at or just before the 0.5% reading - for single-speed chains, replace chain at or just before the 1% reading Product Specs Model: CC-2 Tool Type: Chain Checker Show more