PRO Lockring Tool Description: The PRO Lockring Tool is a designated tool used for the installation and removal of most 7-12 speed cassettes. The extended pin stabilizes the tool when inserted into a quick-release hub to ensure the tool stays in place. Pair this tool with a favorite chain whip or cassette wrench to remove most cassettes. Features: Dual compound grip for increased comfort when extra torque is needed Stabalizing pin to secure tool in place when using a QR style hub Shimano/Sram 7-12 speed cassette compatible, will also fit most Sunrace, Microshift, and Prestacycle cassettes