Ключевые слова: alloy, bicycle, bike, cassette, chain, chainring, chainset, chrome, circle, closeup, component, cranks, crankset, cycling, drive, equipment, gear, gearing, gearshift, gearwheel, group, iron, machine, macro, metal, metallic, mountain bike, mtb, nobody, object, part, pinion, race, rack, rear, ring, set, shiny, silver, spare, sports, sprocket, stainless, steel, technology, teeth, transport, vehicle, wheel,