Idle for various mopeds, including Puch Maxi, Sachs, Hercules, Pony, Piaggio, Solex, Zündapp, Tomos, etc.

High-quality pedal sprocket made of hardened steel with a 1/2 x 1/8" pitch.
The pedal mechanism sprocket has 16 teeth.
A thread FG34.8 (= inner diameter 34.0 mm) is used for the pedal mechanism chainwheel.

German quality product from the manufacturer ESJOT.