Park Tool CC-4 Chain Checker 5-12sp AXS

  • Drop-in style gauge
  • Laser cut CC-4 accurately measures a long section of chain
  • Strategically comes in contact with the chain in three places
  • Compatible with 5-12 speed derailleur chains (including SRAM AXS)
  • Designed to accurately indicate when a chain reaches .5% and .75% wear

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