Park Tool Freewheel Remover: Sun Tour 2 Notch Fits older Sun Tour two notch freewheels. Heat treated alloy tool steel, one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts. Not recommended for Sun Tour four to six notch freewheels. Always use a skewer or axle nut to hold remover firmly in place.