Ключевые слова: action, active, activities, adrenaline, adventure, atv, autumn, bike, competition, competitive, cross, cup, czech, danger, dangerous, dirt, drive, europe, extreme, fun, great, helmet, land, male, man, motor, motorized, moving, mud, october, off road, outdoor, power, quad, quick, race, republic, riding, risk, speed, sport, terrain, thrill, tire, track, trail, transport, vehicle, wheels, winner,