Ключевые слова: abstract, action, active, bike, biker, blue, competition, cross, crosscountry, cycle, dirt, dirtbike, enduro, extreme, fast, freedom, freeride, fun, helmet, high, jump, male, man, motion, moto, motocross, motor, motorbike, motorcross, motorcycle, motorsport, mx, nature, offroad, outdoor, power, race, racer, ride, rider, sky, speed, sport, sunset, supercross, track, trail, transport, transportation, wheel,