Parktool FR-5.2G Cassette Lockring Tool full view

Park Tool FR-5.2G Cassette Lockring Tool


Regular price $8.95 Save $0.00

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A version of Parktool's FR-5.2 with an added 5mm guide pin for added stability when removing lockrings from quick-release hubs. Designed for 12 spline 23.4mm diameter tool fittings - the most common tool fitting found on 7-12 speed cassette lockrings, and can also be found on some disc brake lockrings. Made from heat-treated alloy tool steel.


  • Fits 12-spline cassette lockrings from Shimano®, SRAM® (including 1x), SunRace®, SunTour®, Chris King® and others
  • Fits most disc brake lockrings with 12 internal splines from Shimano® and other brands
  • Hex-shaped base of tool fits 1" (25.4 mm) socket or wrench
  • 5mm guide pin stabilizes tool when used with quick-release hubs