Park Tool Master Mechanic Chain Tool

Park Tool


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  • Specially designed to work with the tight tolerances and narrow profiles of 10 and 11-speed chains, the CT-4.3 is a precision tool that can be used to install and remove most 5 to11-speed derailleur chains
  • Integrated Link Pocket ensures precise chain alignment
  • Precision machined investment cast body and components with contoured cushioned handles
  • Removable anvil to peen Campagnolo 11sp chains
  • Not compatible with Wipperman chains
  • Replaceable rotating pin (PK-7806)