Ключевые слова: bicycle, bike, biking, chain, contour, crank, cycle, cycling, design, development, drive, element, exercise, fitness, flat, gear, healthy, icon, illustration, isolated, lifestyle, modern, motion, mountain, object, outdoor, pedal, race, ride, road, safety, side, sign, silhouette, simple, speed, sport, symbol, tire, traffic, training, transport, transportation, travel, vehicle, wheel,