Ключевые слова: action, activity, adrenalin, audience, bicycle, bike, biker, biking, cables, chain, children, competition, conceptual, contest, courage, cutout, cycle, cycling, cyclist, dangerous, exercise, extreme, fitness, frame, healthy, isolated, jeans, jump, jumping, leisure, lifestyle, nobody, orange, pedal, race, ride, rider, saddle, silhouette, speed, sport, stain, stunt, teen, teenager, tread, urban, wheel, white, x,