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CC-4.2 Chain Checker Tool

Price: $15.96 $19.95

A worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC-4.2 Chain Checker is a drop-in gauge that measures chain...

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A worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC-4.2 Chain Checker is a drop-in gauge that measures chain wear accurately. It contacts the chain in three places, eliminating guesswork. Compatible with 5 to 13-speed and single-speed chains, it indicates wear at 0.5%, 0.75%, and 1.0%, matching manufacturer replacement recommendations.

FEATURES

  • Measures bicycle chain wear accurately, preventing expensive drivetrain damage
  • Laser-cut design contacts the chain at three points, providing quick and precise wear measurement
  • Compatible with 5 to 13-speed derailleur chains and single-speed chains
  • Indicates chain wear at 0.5%, 0.75%, and 1.0%, aligning with manufacturer recommendations for replacement
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