Park Tool FR-5.2 Cassette Lockring Tool General Very low crosswind sensitivity

Very low crosswind sensitivity

New wide spacing version for frames with 135mm rear dropout spacing and/or cranks with longer spindles

It is also well-proven at the top levels of competitive cycling

Thanks to the front structure that envelops the bottle in its higher area

That means

Park Tool FR-5.2 Cassette Lockring Tool General Very low crosswind sensitivityDesigned 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 Rock Shox suspension fork top caps. Made from heat treated alloy tool steel. Thin wall construction allows use without removal of cones and locknuts. Specifications Fits 12 spline cassette lockrings from Shimano, SRAM (including 1x), SunRace, SunTour, Chris King and others