Cassette Lockring Tool (30427) Available now

Heat treated alloy tool steel, one inch base fits wrench or bench vise. 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
  • Also fits some Shimano disc brake lockrings
  • Always use a quick-release skewer to hold the tool in place and snug to cogs when loosening; For solid axles, use the axle nut
  • Product Page: https://www.parktool.com/product/cassette-lockring-tool-fr-5

    Manual: https://www.parktool.com/assets/doc/product/FR-5_Instructions.pdf

    Video (Do I have a cassette or a freewheel?): https://www.youtube.com/watch?v=iTJ3taJHOn8

    Article-Determining Casette/Freewheel Type: https://www.parktool.com/blog/repair-help/determining-cassette-freewheel-type

    Article-Casette Removal/Installation: https://www.parktool.com/blog/repair-help/cassette-removal-and-installation


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