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 ...

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 similar ...

What happens when you leave a Specialized Aethos in the hands of the brand's fixie-fanatic designer, Erik Nohlin? Well, this is what – a fascinating fixed-gear conversion designed and custom-specced ...