Park Tool's FR-5.2GT Cassette Lockring Tool w/ 12mm Guide Pin is specially designed for removing and installing cassette lockrings from thru axle hubs. The 12mm guide pin helps stabilize the tool while in use. It's compatible with Shimano, SRAM (including 1x), SunRace, SunTour, Chris King, and other 12-spline cassette lockrings (23.5mm diameter) as well as some Shimano and similar disc brake rotor lockrings.

• Cassette lockring tool with 12mm guide pin for stability
• Built to remove and install cassette lockrings from thru axle hubs
• Quality construction ensures long years of use