The FR-5.2 is designed to fit the most common tool fitting found on 7-to-12-speed cassette lockrings, including models made by Shimano®, SRAM®, and others. It also fits disc brake lockrings and lockring adapters with 12 internal splines and top caps of some Rock Shox® suspension fork models. Thin wall construction allows use without the removal of cones and locknuts. The 1" hexagonal base can be used with a socket, wrench, or bench vise. Heat-treated alloy tool steel construction for a lifetime of use.
Fits 12-spline tool fittings with an approximate outer diameter of 23.4 mm including:
The center bore for axle clearance is 12 mm.