Park Tool FR-5.2 Cassette Lockring Tool

The FR-5.2 is designed for 12 spline 23.4mm diameter tool fittings - the most common tool fitting found on 7-12 speed cassette lockrings, and can also be found on some disc brake lockrings and RockShox suspension fork top caps.

* Heat treated alloy tool steel construction

* Fits 12-spline cassette lockrings from Shimano, SRAM,
SunRace, SunTour, Chris King and others

* Fits most disc brake lockrings with 12 internal splines from
Shimano and other brands

* Fits top cap of some RockShox suspension forks including
Pike, Lyrik, SID, Revelation, Reba, and Paragon

* Center bore for axle clearance is 12mm

* Thin wall construction allows use without removal of cones and locknuts

* Always use skewer or axle nut to hold tool firmly in place during use