2012 Harley-Davidson Road King - FLHR, Part of the unmistakable style of the Harley-Davidson Road King motorcycle is plenty of room for showing off your paint. This classically styled, bold six-gallon fuel tank doesn't just give you a bigger canvas for premium or custom paint it holds six gallons of go so you can eat up a lot more road between pit stops. A dual-color paint scheme and unique Harley-Davidson waterslide graphics give this bike a truly one-of-a-kind look.