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Park Tool
CC-4 Chain Checker

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Why We Like The CC-4 Chain Checker

Taking the guesswork out of knowing when to replace our chain, the laser-cut CC-4 Chain Checker accurately measures a long section of chain and strategically comes in contact with the chain in three places to help us quickly and easily ascertain its condition. The tool works on any 5 to 12-speed derailleur chain and is designed to accurately indicate when a chain reaches 0.5% and 0.75% wear, the points at which most chain manufacturers suggest replacement.


Details

  • Drop-in style chain checker that measures wear on bike chains
  • Go/no-go design is quick and easy to use
  • Ensures precise shifting and prevents excessive wear
  • Works on any 5 to 12-speed derailleur chain
  • Item #PARE02H
Manufacturer Warranty
limited lifetime
Activity
bike maintenance