Ключевые слова: acceleration, action, adventure, bicycle, bicycling, bike, biker, biking, competition, competitive, competitor, conceptual, crosscountry, cycle, cycling, cyclist, danger, descend, dirt, downhill, excitement, explode, explosive, extreme, fast, fun, lifestyle, motion, mountain, mtb, offroad, outdoors, race, racer, racing, recreation, road, speed, sports, swift, trail, velocity, xcountry, zoom,