As a student at Cal State Long Beach, J.W. Zhang saw a bicycle that changed his life — a sleek, single-speed called a fixed gear bike. It was 2011, the height of the fixie craze, and Zhang was ...

Singlespeeds or fixed gear bikes (fixies), as the names suggest, are bikes with only one gear and a may have a fixed rear wheel — meaning if the wheel is spinning, so are the cranks. These are ...