Fifty Bicycles That Changed The World

The bicycle is the world's most popular form of transport. From the Penny-Farthing, the Dandy-Horse and the Velocipede the design of the bicycle has evolved over the decades both in terms of style and technology. From high-performance cycles to practical run-arounds, conceptual bikes to commercial models, here are the 50 most important, pivotal bicylces from around the world.