Park Tool Screw Type Chain Tool # CT-7

The CT-7 Chain Tool is specifically designed to work on wide and tall 3/16” BMX/freestyle chains. The CT-7 also works on 1/8” BMX/freestyle chains with outer plate width 7.4mm or more. Made from investment cast steel for strength and durability, the CT-7 has a replaceable driving pin (part CTP), a fine thread, and a comfortable handle.

- The CT-7 is for use on the 1/8-inch and 3/16-inch chains only. Do not use the CT-7 for the derailleur chains.