Park Tool FR-5.2 Cassette/Rotor Lockring Removal Tool (Black)

Park Tool FR-5.2 Cassette/Rotor Lockring Removal Tool (Black)
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The Park Tool FR-5.2 Cassette/Rotor Lockring Removal Tool is made from heat-treated alloy steel with a one-inch base. Thin wall construction allows use without the removal of cones and locknuts. The FR-5 has 12 splines that are approximately 23.4mm across.


  • Fits most 7-12 speed cassette lockrings
  • You can use a quick-release skewer to hold the tool in place and snug to cogs when loosening; for solid axles, use the axle nut
  • Hex-shaped base of tool fits 1" (25.4 mm) socket or wrench. Can also be clamped in a bench vise

Outer Diameter:
23.4mm (Approximate)
Center Bore (For Axle Clearance): 12mm
Splines: 12


  • Fits 12-spline tool fittings with an approximate outer diameter of 23.4 mm
  • Fits cassette lockings from Shimano, SRAM, SunRace, SunTour, Chris King, and more
  • Fits disc brake lockrings and locking adapters with 12 internal splines (Shimano type)
  • Fits top cap of some RockShox suspension forks including Pike, Lyrik, SID, Revelation, Reba, and Paragon

This product was added to our catalog on October 25, 2016