In the video, a person is seen working on a bicycle. The person is using a wrench to adjust the chain on the bike. The bike is white and has a black seat. The person is wearing a black shirt and is standing in front of the bike. The background is blurred, but it appears to be a garage or workshop. The person is focused on the task at hand and is using the wrench with precision. The chain on the bike is silver and appears to be in good condition. The person's hands are steady as they adjust the chain, indicating that they are experienced in working on bicycles.