In the video, a person is seen using a wrench to tighten a bolt on a bike. The bike has a red frame and blue handlebars. The person's hand is visible, and they are wearing a red watch. The wrench is silver and has a red handle. The bolt is located on the bike's wheel, and the person is turning it clockwise to tighten it. The background is blurred, but it appears to be a workshop or garage setting.