Fixed-gear bicycles are the scourge of modern bike fashion. Actually, fixies are almost nothing but fashion. If you took a swaying, brainless, gazelle-like catwalk model and turned her into a bike, a ...

Arash Guity can't stop pedaling. That's because the "fixie" bicycle he rides to work has no freewheel, which means there is no such thing as coasting. But Guity, a 34-year-old energy consultant, doesn ...