Ключевые слова: activity, aluminum, bicycle, bike, biking, black, brake, break, caliper, chrome, circle, concept, cycle, cycling, disc, equipment, exercise, fitness, fork, frame, front, gear, horizontal, hub, isolated, lifestyle, macro, metal, metallic, mountain bike, new, nobody, objects, part, pedal, pull, shiny, speed, spoke, sport, steel, suspension, technology, transport, transportation, vehicle, wheel, white,