The video shows a person using a blue tool to adjust a bicycle. The person is seen using the tool to tighten the bicycle's chain. The bicycle has a black frame with red accents and is equipped with a black tire. The person's hands are visible as they work on the bike. The blue tool appears to be a wrench or a similar type of adjustment tool. The video is shot in close-up, focusing on the person's hands and the bicycle's chain.