Ключевые слова: acceleration, action, active, arena, bike, championship, competition, curve, danger, dangerous, debris, dirt, dust, extremesport, fast, friends, front, greg, hancock, heat, helmet, janowski, machine, monster, motion, moto, motor, motorbike, motorcycle, motorsport, power, race, race day, racer, rider, riding, speed, speedway, speedwaybike, sport, stockholm, sweden, track, uniform, usa, wheel,