Master Chain Tool with Peening Anvil(CT 4.2)


The best chain tool for your shop, period.

Specially designed to work with the tight tolerances and narrow profiles of 10- and 11-speed chains, but also works on all other derailleur chains, including the Shimano® CN-9000. The CT-4.3 is a powerful, precise tool designed to quickly and accurately remove and install chain rivets. Without a doubt the most accurate chain tool Park Tool ever built!


  • Integrated Link Pocket ensures precise alignment
  • Replaceable, rotating pin
  • Perfectly contoured cushioned handles
  • Precisely machined investment cast body and components
  • Includes removable anvil to peen Campagnolo® 11-speed chains

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