The Bi-Valve lnterior Combustion Twice-Exhausted Bi-Axle Nitro-Cycle, from the steampunk focused movie, Wild Wild West
If you are also a Kevin Kline, Selma Hayek, and Will Smith fan... or love steam and diesel punk, you'll love this 1999 movie. The bike wheels were built by http://www.hiwheel.com/custom_work/index.htm