In the video, a person is seen working on a bicycle. The person is using a tool to adjust the chain on the bike. The bike is red and is hanging from a stand. The person is wearing a black shirt and is focused on the task at hand. The background is a yellow wall with bicycle-related words written on it. The person's hands are steady as they work on the bike, and the tool they are using appears to be a chain tool. The video does not show the person's face, but their actions suggest that they are experienced in working on bicycles.