Ключевые слова: abstract, alloy, bicycle, bike, black, blue, brake, cassette, chain, chrome, circle, close, closeup, component, crank, cycle, cycling, drive, equipment, gear, gearing, gears, group, iron, isolated, machine, macro, metal, metallic, mountain, mtb, part, parts, rear, ring, set, shiny, silver, spare, sport, sports, stainless, steel, technology, transport, transportation, up, vehicle, view, wheel,