Ключевые слова: bike, biker, bikers, championship, cold, compete, competition, competitions, cycle, danger, dangerous, drive, extreme, germany, helmet, ice, individual, inzell, moto, motocross, motor, motorbike, motorcycle, motorsport, participants, race, racer, racing, ride, rider, risk, russia, skating, snow, speed, speedway, sport, studded, tires, track, transport, wheel, winter, world,