The CT-4.2 Master Chain Tool replaces the CT-4 Master Chain Tool. The CT-4.2 will work with “hour-glass” shaped 8, 9, 10 and 11 speed chains. Also fits the asymmetrical Shimano chain designs such as Dura-Ace 7900. Specially designed to work with the tight tolerances and narrow profile of 10 speed chains and most high quality derailleur chains. The CT-4.2 is a powerful, precise tool designed to quickly and accurately remove and install chain pins. Without a doubt the most accurate chain tool we’ve ever built!
Integrated Link Pocket to ensure precise alignment during use
Replaceable, rotating pin
Perfectly contoured cushioned handles
Precisely machined investment cast body and components
Note: The CT-4.2 is NOT compatible with Wipperman chains.
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