Everything is cooler in Japan, especially biker gangs.In post-war Japan, ex-military men held onto their bikes, and a subculture of motorheads began to grow in the country. By the 1970s and 1980s, it had grown into a full-blown phenomenon, with crazy custom rides, group rivalries, chaotic mass rides through city streets, and outfits just as loud as the engines.Check out the vintage nightriders of Japan and their decked-out rides.Biker gang, also known in Japan as Kaminari-zoku.Circa 1950sKaminari-zoku ride.1959Bōsōzoku on a night ride.2007A group of "motorcycle kids," one of numerous subsets of teen subcultures in Tokyo, 1964.