The video shows a close-up of a bicycle chain and gears. The chain is made of metal and has a series of links that are interconnected. The gears are also made of metal and have teeth that interlock with the chain links. The camera moves along the chain, showing the intricate details of the links and the gears. The color of the chain and gears is silver, and the background is blurred, focusing the viewer's attention on the chain and gears.