Park Tool CC-2 Chain Wear Indicator
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Park Tool CC-2 Chain Wear Indicator
$29.99
Quickly and accurately determine the wear and elongation of any chain.
Compatible with all bicycle chains
For modern 9 and 10 speed chains, replace chain at or just before the 0.75% readings
For 11 speed chains, replace at or just before the 0.5% reading
Insert the Chain Checker's pins into two links, press the swing arm gauge tight, and check the gauge window for an accurate reading