In the video, a person is holding a bicycle cassette in their hand. The cassette is made up of several metal gears that are arranged in a circular pattern. The person is rotating the cassette, showing it from different angles. The cassette appears to be in good condition, with no visible damage or wear. The person's hand is steady, and they seem to be examining the cassette closely. The background is blurred, but it appears to be an indoor setting with a yellow wall.