- Fits Shimano®, SRAM® (including 1x), SunRace®, SunTour®, Chris King® and other cassette lockrings
- Center bore for axle or Q/R nut clearance is 20mm
- Also fits some Shimano® disc brake lockrings
A fast and convenient tool to remove and install 12-spline Shimano®/SRAM® style cassette lockrings, as well as similar lockrings on rotor discs. The FR-5.2H features a modified FR-5.2 tool that allows use without removing most quick release skewer nuts. The removable, threaded steel handle makes it possible to replace a worn or damaged head.