Ключевые слова: action, activity, adventure, alps, angle, autumn, bicycle, bike, biker, biking, black, blue, blur, concept, cycle, cyclist, derailleur, dynamic, extreme, fast, forest, fun, green, hill, landscape, leisure, mechanism, motion, mountain, mountain bike, mtb, nature, outdoor, race, rear, ride, road, sky, speed, sport, summer, tour, trail, transport, tree, view, wheel, wide, woods, yellow,