The video shows a close-up of a bicycle wheel in motion. The wheel is black and appears to be made of rubber. The spokes of the wheel are silver and are attached to a hub that is also silver. The hub is connected to a chain that is moving around it. The chain is silver and appears to be made of metal. The bicycle is in motion, as indicated by the movement of the wheel and the chain. The background is blurred, but it appears to be a concrete surface.