Park Tool FR-5.2 Cassette Lockring Removal Tools

Park Tool



For removing and installing cassette lockrings on Shimano-compatible freehub bodies and some Centerlock disc brake systems.

  • Heat-treated alloy-steel construction
  • Thin-wall design allows for use with cones/locknuts
  • 25.4mm (1") base/head fits FR-series wrenches or vise
  • Fits 12-spline cassette lockrings from Shimano, SRAM, SunRace, SunTour, Chris King, and others
  • Also fits some Shimano CenterLock disc-rotor lockrings

New and Improved FR-5.2G - updated previous version to have longer splines for better engagement

  • FR-5.2G uses a 5mm guide pin designed to fit perfectly inside a Quick-release axle