Ключевые слова: alloy, aluminium, bicycle, bike, cassette, chain, chrome, circle, closeup, component, cycle, cycling, detail, equipment, freewheel, gear, gearing, gearwheel, group, iron, machine, macro, metal, metallic, mountain bike, mtb, nickel, nobody, object, part, rear, shiny, silver, speed, sport, sprocket, steel, technology, teeth, transport, transportation, wheel,