Park Tool FR-5.2H Cassette Lockring Tool - FR-5.2H
Park Tool FR-5.2H Cassette Lockring Tool - FR-5.2H, For removing and installing cassette lockrings on Shimano-compatible freehub bodies and some Centerlock disc brake systems. Features: Fits 12-spline cassette lockrings from Shimano, SRAM, SunRace, SunTour, Chris King and others