This freewheel remover is crafted from heat-treated alloy tool steel. Its one-inch base is designed to fit a wrench or bench vise seamlessly. With a thin wall construction, you can use it without the hassle of removing cones and locknuts. Key features include: it can remove four-notch BMX or single-speed freewheels from hubs with 1.37 x 24 TPI threads. The FR-6 has four notches that measure about 32mm inside to inside and 40mm outside to outside. It can fit over axles with a thread diameter of up to 16mm. When removing, always use a skewer or axle nut to hold the tool firmly in place.

Using this Park Tool FR-6 freewheel remover is easy. First, make sure you've got a wrench or bench vise that fits the one-inch base of the tool. You don't need to take off the cones and locknuts because of its thin wall design. Just place it over the axle (it can fit axles up to 16mm in thread diameter). To remove a four-notch BMX or single - speed freewheel from hubs with 1.37 x 24 TPI threads, use a skewer or axle nut to hold the tool steady. As for maintenance, after each use, wipe it clean with a dry cloth to keep it in good condition. And store it in a dry place to prevent rusting.