[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 ...

As I adjusted the 20-pound bulletproof vest, I was grateful for the cooler spring weather. On a normal bike ride I would be trying to shed as much weight as possible. But this was not a normal ride.

The invention of the wheel is considered one of the crowning achievements of early humanity. Squares don’t roll, after all. [The Q] decided to build a square-wheeled bike anyway, with a neat tracked ...