The PRO Cassette Wrench is a cassette installation and removal tool, compatible with cassettes with both 10T and 11T smallest sprockets. Designed to provide you with a better sports’ bicycle experience the PRO Cassette Wrench provides an alternative to chain whips. Developed to be used with the PRO Team Lockring Tool it holds the cassette firmly in place, by latching to the teeth of the smallest sprocket while you loosen the cassette’s lockring. It features a long shaft to produce leverage and an ergonomic handle to further enhance ease of use. The PRO Cassette Wrench is compatible with 10T or 11T, smallest sprocket, cassettes.