Ключевые слова: acceleration, action, arena, bike, championship, closeup, competition, curve, danger, dangerous, debris, dirt, dust, extremesport, fast, four, friends, front, gravel, group, heat, helmet, monster, motion, moto, motor, motorbike, motorcycle, motorsport, pack, power, race, race day, racer, rider, riding, sgp, side, speed, speedway, speedwaybike, sport, start, stockholm, sweden, track, uniform, wheel,