Park Tool FR-5.2 Cassette Lockring Tool

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.

• 12-splines, 23.4mm diameter
• Fits Shimano®, SRAM® (including 1x), SunRace®, SunTour®, Chris King® and other cassette lockrings
• Also fits some Shimano® disc brake lockrings
• Made in the USA and covered by Park Tool's legendary limited lifetime warranty
• Center bore for axle clearance is 12 mm
• 1" hexagonal base can be used with 1" socket or wrench