Park Tool Atom Freewheel Remover - FR-4 Item # 889884

Description
Heat treated alloy tool steel, one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts.
Features:
- Fits Atom®, Regina®, splined Zeus®, and some Schwinn®-approved freewheels
- The FR-4 has 20 splines and is approximately 21.6 mm in diameter
- Center bore for axle clearance is 10 mm
- Always use a skewer or axle nut to hold tool firmly in place during removal