Park Tool FR-5.2GT Bicycle Cassette/Disc Brake Lockring Tool with 12mm Guide

Park Tool offers a full range of tools for bicycle cassette lockring removal and installation. The FR-5.2GT fits12 spline23.4mm diameter tool fittings - the most common tool fitting found on7-12 speed bicycle cassettelockrings, including many models made byShimano,SRAM,SunRace,SunTour,Chris Kingand others. Also fitsShimano disc brakelockrings with 12 internal splines. Thin wall construction allows use without removal of cones and locknuts. Features a12mm guide pinto stabilize the tool when used with thru-axle hubs. The 1" hexagonal base can be used in conjunction with a socket, wrench, or bench vise. Heat treated alloy tool steel construction for a lifetime of use.

The FR-5.2GT has12 splinesthat are approximately23.4mmacross at the widest point.