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Made of heat-treated alloy tool steel, the Park FR-5.2 cassette lockring tool has a one inch base that fits a wrench or bench vise.

  • Features

    • Thin wall construction allows use without removal of cones and locknuts. The FR-5 has 12 splines that are approximately 23.4mm across.
    • Fits Shimano, SRAM, SunRace, SunTour, Chris King and other cassette lockrings
    • Fits the SRAM XX1 11-speed cassettes
    • Also fits Shimano disc brake lockrings

    Made in USA.

    View all Park Tool Drivetrain Tools
  • Technical Specs

    Best Use



    Alloy steel


    1 x 1 x 1 inches


    2.2 ounces

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