The video shows a close-up of a bicycle's rear wheel, specifically focusing on the chain and gears. The chain is moving in a circular motion, indicating that the bike is in motion. The gears are visible and appear to be in good condition. The bike frame is not visible in the video, but the sound of the chain moving suggests that the bike is being ridden on a smooth surface. The video does not show any other objects or people, and there are no visible titles or subtitles.