Park Tool's FR-5.2H Cassette Lockring Tool with Handle delivers fast removal and installation of 12-spline Shimano/SRAM style cassette lockrings and other similar lockrings on rotor discs. The 5.2H is specially designed for use without having to remove most quick release skewer nuts.
The FR-5.2H fits Shimano®, SRAM® (including 1x), SunRace®, SunTour®, and Chris King®, among other cassette lockrings. It also fits some Shimano® disc brake lockrings.
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