In the video, a person is seen using a tool to adjust the brakes on a bicycle. The person's hand is visible, and they are using a wrench to turn the brake adjustment screw. The brake pads are visible, and the person appears to be making adjustments to ensure the brakes are functioning properly. The video is shot in close-up, focusing on the brake mechanism and the person's hand movements. The lighting is bright, and the colors are clear, with the silver of the brake pads and the black of the tool being prominent. The person's hand movements are steady and precise, indicating familiarity with the task.