Ключевые слова: alloy, bicycle, bike, cassette, chain, chronometer, clock, cog, cogwheel, countdown, cycle, cycling, derailleur, design, drive, equipment, gear, icon, illustration, industry, iron, isolated, long, machine, machinery, mechanism, metal, minute, mountain, part, purple, rear, set, shadow, speed, sport, sprocket, start, steel, stop, symbol, technology, time, timer, watch, wheel, white,