Strida

Strida 3 (upgrade kit installed)
Strida 5 Folded
Strida owners in Taipei
The folded bike - a "wheeled walking stick"

Strida is a portable belt-driven folding bicycle with a distinctive A-shaped collapsible frame, designed by British engineer and designer Mark Sanders. The first model, Strida 1, was released in 1987 and the latest, Strida 5.2, in 2009.