Ключевые слова: abstract, action, active, bike, biker, blue, competition, cross, cross country, cycle, dirt, dirt bike, extreme, fast, free ride, freedom, fun, helmet, high, jump, male, man, motion, moto, motocross, motor, motor cross, motor sport, motorbike, motorcycle, mx, nature, off road, outdoor, power, race, racer, ride, rider, sky, speed, sport, super cross, track, trail, transport, transportation, wheel,