Park Tool FR-5.2 Cassette Lockring Tool

The Park Tool FR-5.2 is a heat treated alloy tool, with a 1 inch base to fit a wrench or bench vice. Thin wall construction allows use without removal of cones and locknuts. The FR-5.2 has 12 splines that are approximately 23.4mm across.

Features:

• 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