Park Tool Cassette Lockring Tool # FR-5

Heat treated alloy tool steel, one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts.

- Fits Shimano®, SRAM®, SunRace®, SunTour®, Chris King® and other cassette lockrings.
- The FR-5 has 12 splines that are approximately 23.4mm across
- Also fits 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.