Camper vans (aka caravans) don't just carry your gear – they also serve as a shelter when you stop. So, why don't touring bicycles do likewise? Well, the prototype Cercle bike does just that. Inventor ...

The result is slightly bigger than an airline carry-on and under 26 pounds. And it rides fine, as more and more people are discovering. Considered toys just a decade ago, folding bicycles now come in ...