Ключевые слова: action, adventure, bike, boots, competition, cross, danger, dirt, drive, dust, enduro, engine, exhaust, extremal, extreme, glove, helmet, international, lagares, moto, motocross, motor, motorbike, motorcross, motorcycle, motorsport, mud, noise, obstacle, off, outdoor, penafiel, portugal, race, ride, risk, river, road, slide, smoke, sport, sporting, stairs, sunny, transportation, water, wheel,