Park ToolCasette Lockring FR-5.2 GT

Fits 12-spline tool fittings with an approximate outer diameter of 23.4 mm including:

Cassette lockrings from Shimano®, SRAM® (including 1x), SunRace®, SunTour®, Chris King® and others

Disc brake lockrings and lockring adapters with 12 internal splines from Shimano® and other brands 1" hexagonal base can be used with

1" socket or wrench