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.

 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 removal of cones and locknuts.

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.

FR-5.2 Features

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
• Top cap of some Rock Shox® suspension fork models including Pike®, Lyrik™, SID®, Revelation™, Reba®, and Paragon™

Center bore for axle clearance is 12 mm.

1" hexagonal base can be used with 1" socket or wrench.