The Coolest Biker Film You’ve Never Seen – DETONATION! VIOLENT RIDERS (1975) Blu Review. Strap in and fire up your engines—because this one detonates. Today I'm reviewing Detonation! Violent Riders (1975) Starring Sonny Chiba & Koichi Iwaki in a wild, high-octane biker flick from Japanese cult director Teruo Ishii, newly released on Blu-ray by 88 Films.
