Ключевые слова: activity, background, bicycle, bike, biking, championship, competition, cycle, design, equipment, extreme, face, gear, hat, head, headgear, health, helmet, leisure, motorbike, motorcycle, motorsport, new, object, one, professional, protection, protective, race, racer, ride, safe, safety, speed, sport, sports, style, stylish, transport, transportation, uniform, white, yellow,