FR-4: Freewheel Remover

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
• Center bore for axle clearance is 10mm
• Always use a skewer or axle nut to hold tool firmly in place during removal

NOTE: To determine your cassette / freewheel type and the appropriate tool for it, please see Determining Cassette / Freewheel Type.