Ключевые слова: acceleration, action, activity, adventure, athlete, bicycle, bicycling, biker, biking, competition, competitive, competitor, contest, crosscountry, cycle, cyclist, desert, extreme, fast, helmet, hobby, lifestyle, male, marathon, may, men, motion, mountain, moving, mtb, nature, offroad, outdoors, people, race, racer, recreation, road, speed, sport, sports, sportsman, spring, swift, trail, trophy, vehicle, velocity, xcountry,