Ключевые слова: bicycle, bike, black, chain, chainwheel, circle, cog, cogwheel, crank, cycle, cyclist, design, drive, element, equipment, flat, gear, gold, golden, graphic, icon, illustration, isolated, long, machine, mechanism, metal, mountain, part, pedal, pictogram, power, race, ride, rotation, shadow, sign, silver, simple, speed, sport, sprocket, symbol, technology, transmission, transportation, vehicle, wheel,