Ключевые слова: adjustment, alloy, aluminium, art, background, bicycle, bike, black, cassette, chain, chrome, closeup, components, construction, crankset, derailleur, design, equipment, exercise, fitness, fix, gear, groupset, hub, light, lube, lubricant, machine, maintenance, mechanical, metal, oil, oiling, parts, power, problem, race, repair, road, service, spoke, sport, sprocket, style, teeth, transmission, transport, transportation, wheel,