In the video, a person is seen working on a bicycle. The person is using a wrench to tighten a bolt on the bicycle. The bicycle is black in color and has a silver brake system. The person's hands are visible in the frame, and they are wearing a white shirt. The background is blurred, but it appears to be a workshop or garage setting. The person is focused on the task at hand, and the video captures the precise movements required to tighten the bolt.