Last month, Columbia Pictures debuted to wide release “Premium Rush,” a blockbuster movie starring Joseph Gordon-Levitt as a bicycle messenger who gets mixed up in a criminal plot in New York City.
The 91-minute movie is an action/thriller featuring numerous chase scenes through the streets of Manhattan. Gordon-Levitt rides the steed of choice for many bicycle messengers, a track-style bike with single-speed gearing.

The movie has heightened interest in the fixed-gear trend. According to a bike shop worker I know, many people came into her store after the opening of “Premium Rush” to inquire about fixed-gear bikes.
Association with a movie star always helps. But the speedy, minimalist aesthetic of these bikes doesn’t hurt either.
Fixed-gear bikes, or “fixies,” have no gear cassette, no derailleurs, and few levers or cables. Some do not even have brakes. They are lighter weight and, with fewer parts, less prone to breakdowns. Like all single-speed bikes, they usually cost less, too.
There is no freewheel action in the hub, meaning you cannot coast. The chain is “fixed” to the motion of the rear cog and chainring, and when the wheels turn the whole system — cog, chain, cranks, pedals, and the rider’s feet — are connected and moving in sync.

