Ключевые слова: background, bicycle, bicycle chain, bike, chain, chain object, change, chrome, close, closeup, closing, color image, connection, cycle, cycling, derailleur gear, disc, equipment, examining, gear, gear mechanism, horizontal, machine, macro, mechanic, metal, metallic, mode of transport, motorcycle, no people, nobody, part, progress, race, rack, repairing, speed, spoke, sport, sprocket, steel, street, technology, transport, transportation, vehicle, vintage, wheel,