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, ...

The curved drop handlebars long found on racing bicycles are pretty nifty, right? If you want to get down low to reduce your wind resistance you grab hold of the lower part, and if you’re climbing a ...