Pedros Freewheel Socket

The four-notch Freewheel Socket removes suitable single-speed and BMX freewheels, with clearance for an axle up to 14mm.

The published application is four-notch freewheels on 1.37 x 24 TPI hub threads. The tool's stated notch diameters are 41mm outside and 31.3mm inside; the interface must match before force is applied.