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 has 12 splines that are approximately 23.4mm across.
. Fits Shimano, SRAM, SunRace, SunTour, Chris King and other cassette lockrings
. Fits the SRAM XX1 11-speed cassettes
. 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