1990: The Bronx Warriors is a silly Italian biker film from Enzo G. Castellari starring two camp-movie greats Fred Williamson and Vic Morrow. It's set in the post-apocalyptic future of 1990 where Trash, leader of the gang The Riders, has to protect a rich runaway girl from the evil clutches of rival gangs. It's essentially Escape From New York meets The Warriors with Vic Morrow playing a psychopath.
FUN FACT: While the Bronx is supposed to be lawless, a long shot of the Riders in formation on the streets of the Bronx shows shops open, cars parked untouched and traffic proceeding in an orderly fashion in the middle and foregrounds of the sequence. (via)