Park Tool FR-5.2 Cassette Lockring Tool Take off your cassette lock-ring with ease thanks to the Park Tool FR-5.2 Cassette Lock-ring Tool. It's made from alloy steel, so you know off the bat it was built to last. The one inch base will fit a wrench or bench vice if needed. The thin wall allows for use without the removal of cones and lock-rings. Features Fits Shimano(R), SRAM(R), SunRace(R), SunTour(R), Chris King(R) and other cassette lockrings Fits the SRAM(R) XX1(R) 11-speed cassettes Also fits Shimano(R) disc brake lockrings Always use a quick release skewer to hold the tool in place and snug to cogs when loosening; For solid axles, use the axle nut Related Articles: DISC ROTOR INSTALLATION AND TRUING CASSETTE AND FREEWHEEL REMOVAL AND INSTALLATION Manufacturer's Part No: FR-5.2 UPC: 763477003485 | Park Tool FR-5.2 Cassette Lockring Tool FR-5.2