Ключевые слова: activity, balance, bicycle, bike, biking, black, brake, cable, chain, chrome, competition, competitive, cycle, disc, equipment, exercise, fitness, fork, frame, healthy, hub, hydraulic, isolated, leisure, lifestyle, mechanical, mechanism, mountain, object, old, parts, pedal, recreation, red, reflection, relaxation, ride, spoke, sport, summer, technology, tire, transportation, vehicle, weld, wheel, white,