“I like to ride. Fixed gear, steel frame, no brakes. The bike cannot coast. The pedals never stop turning. Can’t stop. Don’t want to either.” It’s kind of a silly movie, but with those six sentences, ...

A decade ago, one of the hottest fashion accessories in China wasn’t an accessory at all, but a bike. Fixed-gear bicycles, or fixies — known in Chinese as sifei — emerged from obscurity to obtain a ...