Prop Store is auctioning off one of the six Batpod motorcycles that were made for and used in The Dark Knight and The Dark Knight Rises. It has a custom-made chassis, Hoosier racing tires, and a Honda 750 engine, and is outfitted with faux barrels on the front, fiberglass body panels to cover most of the working components, and black foam padding for comfort. It arrives with a metal display stand and Warner Bros. It is expected to fetch at least $80,000.