Ключевые слова: admission, alu, aluminium, aluminum, bicycle, bicycle sprocket, bike, carbon, cassette, chain, chain link, circuit, cogwheel, detail, down, gear, gearbox, gears, gearshift, gearwheel, headlamp, heel, high, hub, interplay, mountain, mtb, nut, oiled, over, part, pinion, ratchet, rear, rear wheel, red, repair, socket, spoke, spokes, spring, sprocket, steel, switch, symbiosis, thrower, toggle, trailer, wheel, wreath,