Ключевые слова: action, activity, adrenaline, air, aptos, athlete, bicycle, bicycling, bike, bikefest, biker, biking, bmx, califronia, city, competition, contest, course, cruz, cycle, cyclist, dangerous, down, downhill, editorial, energy, enjoyment, event, excite, extreme, fast, festival, flight, fun, helmet, high, jump, lifestyle, motion, mountain, moving, outdoor, people, pursuit, race, racing, recreational, ride, santa, speed, sport, stunt, summer, thrill, trick,