The Park Tool FR 5.2H Cassette Lockring Tool with Handle, click to enlarge
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Item # FR-5.2H

/ Tools / Brakes / Cassette & Freewheel

Cassette Lockring Tool with Handle

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.

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FR-5.2H Features

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

Parts & Accessories


Replacement Parts

FR-5.2H Lockring Tool with Handle