Dahon

A folding bicycle hinged in the middle of the frame, made by a physicist who wanted to take his bike on trains and the underground.
David Hon was a laser physicist and had the idea during the oil crisis of the 1970s. Dahon became one of the world’s largest makers of folding bicycles.
Materials: Aluminium or steel
Manufacture: Made in Taiwan and later in China.
The hinge in the middle of the frame.
The handlebar stem that folds down towards the wheels.