Park Tool FR-5.2H — Cassette Lockring Tool with Handle
The FR-5.2H is a professional-grade tool designed for fast, reliable cassette lockring removal and installation. Its long, sturdy handle provides excellent leverage, while the large pass-thru hole allows use without removing most quick-release skewer nuts. Built for 7- to 12-speed cassettes, the FR-5.2H fits the most common 12-spline, 23.4mm diameter lockrings.
Features
Fits cassette lockrings from Shimano®, SRAM® (including 1x), SunRace®, SunTour®, Chris King®, and others
Compatible with disc brake lockrings and lockring adapters with 12 internal splines
Fits top caps of some Rock Shox® suspension fork models, including Pike®, Lyrik™, SID®, Revelation™, Reba®, and Paragon™
20mm center bore allows clearance for axles
Heat-treated alloy steel construction ensures long-term durability
Large pass-thru hole allows use without removing most quick-release skewer nuts

