The NSU Quickly was a moped

Moped

Mopeds are a type of low-powered motorcycle designed to provide economical and relatively safe transport with minimal licensing requirements.Mopeds were once all equipped with bicycle-like pedals , but moped has been increasingly applied by governments to vehicles without pedals, based on their...

 manufactured by NSU Motorenwerke AG

NSU Motorenwerke AG

NSU Motorenwerke AG, normally just NSU, was a German manufacturer of automobiles, motorcycles and pedal cycles, founded in 1873. It was acquired by Volkswagen Group in 1969...

 of Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

from 1953 to 1963. More than one million Quicklys were built and sold.
The Quickly frame was a pressed-steel single spar unit with a headset at the front of the unit and wheel attachment points at the end of the arms at the rear of the unit. The unit also incorporated a tower in which the seat post was mounted and attachment points for the motor unit and the petrol tank.

The front forks of the Quickly were made from pressed steel and were fitted with leading-link suspension.

The motor unit included a 49 cc two-stroke engine, a two-speed transmission (three-speed on some models), a bicycle pedal assembly to start the engine and assist propulsion up hills, and a centrestand.
The Quickly Cavallino, the Quickly T, the Quickly TT and the Quickly TT/K did not use the same frame as the other Quickly models.