If you want a bike that comes with a warranty and requires zero hunting, several brands specialize in affordable, entry-level fixed gears. 6KU Track Fixie & Single Speed Bike
Finding a "fixie" (fixed-gear bike) on a budget doesn't mean you have to settle for a heavy, department-store clunker. Whether you're looking for a shiny new commuter or a diamond-in-the-rough used build, there are several ways to get rolling for cheap.