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  • 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

Park Tool


Park Tool, CC-4, Chain Checker, Compatibility: 5-12 sp. (Inc AXS)


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