Ключевые слова: atb, bicycle, bike, cassette, chain, chainring, chrome, circle, closeup, component, cycling, disc, drive, element, equipment, fix, focus, frame, gear, gearshift, gearwheel, grey, group, horizontal, iron, machine, macro, mechanic, metal, mountain, mtb, part, pedal, pile, pinion, power, rear, ring, shiny, silver, spare, speed, sprocket, stainless, steel, technology, teeth, transport, vehicle, wheel,