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 10 mm
- Always use a skewer or axle nut to hold tool firmly in place during removal