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Park Tool FR-5.2 Bike Cassette Lockring Tool

Park Tool FR-5.2 Bike Cassette Lockring Tool

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Regular price $10.95
Regular price $7.95 Sale price $10.95
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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-5.2 has 12 splines that are approximately 23.4mm across.


  • Fits Shimano®, SRAM® (including 1x), SunRace®, SunTour®, Chris King® and other cassette lockrings
  • Also fits some Shimano® disc brake lockrings
  • Center bore for axle clearance is 12mm
  • Base size for socket or wrench is 1" or 25.4 mm
  • 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


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