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 Atom, Regina, splined Zeus, and some Schwinn-approved freewheels

The FR-4 has 20 splines and is approximately 21.6mm in diameter

Always use a skewer or axle nut to hold remover firmly in place

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