The video shows a person using a tool to work on a bicycle. The person is seen using a wrench to turn the bicycle's gears. The tool is silver in color and has a blue handle. The person's hands are visible, and they are using the tool to adjust the gears on the bicycle. The bicycle itself is not fully visible, but the gears and the area where the person is working are shown. The person's movements are deliberate and careful as they work on the bicycle.