Rotten Riders (2016)

The Bad Mothers biker crew goes berserk when one of their new members is killed. Lem leads his crew into the night to find the culprits. He discovers it is a rival gang called The Zombies and he seeks bloody revenge. The Bad Mothers discover that the Zombies have been doing loads of drugs and have racked up a massive debt with a voodoo-practicing dealer, who is turning the Zombie biker crew into actual zombies.