Park Tool's Lockring is a fast and convenient tool to install 12-spline Shimano/Sram style cassette lockrings - as well as similar lockrings on rotor discs. The FR-5.2H allows you to use it without removing most quick release skewer nuts.
- Removable threaded steel handle
- Fits Shimano®, SRAM® (including 1x), SunRace®, SunTour®, Chris King® and other cassette lockrings
- Fits some Shimano® disc brake lockrings
- Center bore for axle or quick release nut clearance is 20mm