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Motorcycle sidecar racing tandem pulling up to camera, slowing down, stopping, Riverside Raceway, California / motorcycle sidecar teams (Suzuki in FG) lining up at starting line / motorcycle stunt rider riding bike from behind, gliding along paved racetrack / superbike motorcycle race on circular track / superbikes racing, taking curve, passing very close to camera / road bike motorcycles racing, hitting bumpy straightaway / rider pushing road bike from dirt and onto track / motorcycle sidecar teams racing, taking curves / old man wearing dark sunglasses and black riding leathers while standing and talking with people in service pits / motorcycle sidecar driving through pit area. Riverside Road Race on January 01, 1971 in Riverside, California (Footage by Getty Images)