[Liebregts] is working on a trike design, and needed a pair of wheels to go up front. Regular bicycle wheels wouldn’t do, as they’re not designed to work with a single-sided support. They also wanted ...

Bicycles need at least two wheels to be rideable, but [The Q] realized you don’t necessarily need the wheels to be in one piece. As long as you have at least two points of rolling contact with the ...

As kids we spent a lot of time on wheels: bicycles, roller skates, wagons, scooters – anything that rolled. Sometimes it seemed that wheels had replaced our feet. Bicycles carried us everywhere: to ...