One hundred years ago, there was one basic bicycle type: frame, two wheels, narrow tyres, rim brakes, saddle, and handlebars. Nowadays, there are disc brakes, flat bars, knobby tyres, folding frames, ...

Sleek, modern racing cycles — like the ones seen at the recent Pune Grand Tour — rarely touch any road outside of race tracks while in transit. They simply travel in a case the size of a 55-71 inch ...