"
Speed tribes." The
Japanese version of
motorcycle gangs. Un- or
under-employed young men with
fast bikes, who cause
trouble and generally
misbehave. Sometimes training grounds for future
Yakuza. Bosozoku appear in the rather fluffy book
Speed Tribes, the
movie "
Black Rain," and the
comic book "
Kabuki."
and yes, that's undoubtedly what the guys in
Akira are based on.