The video shows a close-up of a bicycle's chainstay, which is a metal bar that connects the pedals to the rear wheel. The chainstay is made of a shiny, silver-colored metal and has a blue plastic cover on one end. The cover has a screw in the center, and a black wire runs through it. The video zooms in on the screw and the wire, and text appears on the screen indicating the chainstay length as 433mm. The video is shot in high definition, and the colors are vibrant and clear.