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-5G has 12 splines that are approximately 23.4mm across.
– Fits Shimano, SRAM (including 1x), Sun Race, Sun Tour, Chris King and other cassette lockring
– Also fits some Shimano disc brake lockrings
– Guide pin stabilizes tool