It has been a vroom-vroom summer. In Furiosa: A Mad Max Saga, Dementus and his Biker Horde use their scrapped-together choppers to crisscross the Wasteland and demonstrate their might and mania. In the second season of Interview With the Vampire, the Théâtre des Vampires coven zooms around Paris on their motorcycles, euphorically cackling about their immortality and stopping only to feed on unsuspecting humans. And in The Bikeriders, members of the Chicago Vandals...