Designed to provide you with a better sports’ bicycle experience the PRO Lockring Tool is 11-speed compatible and is intended for use with the PRO Cassette Removal Chainwhip. It features a hardened steel construction, long handle for increased leverage and a dual compound grip, for comfort. HIGHLIGHTS - Cassette removal and installation tool. Designed for use with the PRO Cassette Removal Chainwhip. Compatible with 11-speed drivetrains. Hardened steel construction. Dual compound grip