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

/ Tools / Brakes / Cassette & Freewheel

Cassette Lockring Tool

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. Thin wall construction allows use without removal of cones and locknuts. The 1" hexagonal base can be used in conjunction with a socket, wrench, or bench vise. Heat-treated alloy tool steel construction for a lifetime of use.

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$9.95

FR-5.2 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 12 mm.

FR-5.2 Cassette Lockring Tool

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