Riders of fixed-gear bikes are as diverse as bike riders in general. Messengers are big fixie aficionados, but more and more fixed-gear bikes are being ridden by nonmessengers, most conspicuously the kind of younger people to whom the term “hipster” applies and who emanate from certain neighborhoods in Brooklyn. You see these riders weaving in and out of traffic without stopping, balancing on the pedals at a stoplight and in the process infuriating pedestrians and drivers alike. more ›