Park Tool Freewheel Remover FR4

Freewheel Remover
Crafted from heat-treated alloy tool steel, this tool features a one-inch base that fits perfectly with a wrench or bench vise. Its thin wall construction allows for use without the need to remove cones and locknuts.
- Compatible with Atom®, Regina®, splined Zeus®, and select Schwinn Approved® freewheels
- The FR-4 boasts 20 splines and has an approximate diameter of 21.6mm.
- Always secure the remover firmly in place using a skewer or axle nut.

The FR-4 is specifically designed to accommodate the 20-spline tool fittings found on older SunTour® freewheels. Made from durable heat-treated alloy tool steel, the FR-4 features a 1" tool fitting that works seamlessly with an adjustable wrench, socket, or bench vise.

FR-4 Features
- Fits 20-spline tool fittings with an approximate outer diameter of 21.6 mm
- Compatible with Atom®, Regina®, splined Zeus®, and some Schwinn®-approved freewheels
- 1" hexagonal base can be used with a 1" socket or wrench