The FR-5.2H is a reliable, professional option for cassette lockring removal and installation, with a long sturdy handle and a large passthru hole that allows use without removing most quick-release skewer nuts. 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.

Fits 12-spline tool fittings with an approximate outer diameter of 23.4mm 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 20mm