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  • Park Tool CC-2 Chain Wear Indicator

Park Tool CC-2 Chain Wear Indicator

$24.95
Excl. tax

You can quickly and accurately determine the wear (or "stretch") of nearly any bike chain. Simply insert the Chain Checker’s pins into two links, lightly press the swing arm gauge, and then check the gauge window for an accurate reading.

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  • 5-to-10 speed chains: replace chain at or just before 0.75%
  • 11-to-12 speed chains*: replace at or just before 0.5%
  • Single-speed chains: replace at or just before 1%
  • Check with manufacturer for specific replacement instructions
  • *Use the CC-4 for SRAM Flattop and SRAM T-Type 12-speed chains
  • 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
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