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 all Sun Tour four notch freewheels since 1986
The FR-3 has 4 notches approximately 24mm across
Always use a skewer or axle nut to hold tool in place for during removal
NOTE: The Sun Tour® two notch freewheels do not accept the FR-3 remover. Use the FR-2 for the Sun Tour® freewheels with two notches