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.
Features:
- 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










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