The video shows a close-up of a motorcycle's chain and gears. The chain is made up of metal links and is attached to a gear with teeth. The gear is connected to a sprocket, which is part of the motorcycle's transmission system. The chain and gears are in motion, indicating that the motorcycle is running. The video is shot from a side angle, focusing on the chain and gears. The color of the chain and gears is metallic, and the background is blurred, emphasizing the moving parts.