Ключевые слова: abstract, action, active, axle, bent, bicycle, bike, black, brakes, cable, carrier, chain, circle, closeup, cover, cycle, damaged, detail, drive, exercise, form, half, hole, imprint, machine, macro, mechanism, metal, metallic, model, motion, movement, nut, pads, part, partial, parts, pattern, pedal, race, recreation, reflectors, repair,