The video shows a close-up of a person's hand holding a black object, which appears to be a bicycle brake. The person is adjusting the brake while the camera focuses on the handlebars of the bike. The handlebars are white with black lettering, and the brake is attached to the handlebars. The person's hand is visible, and they seem to be making adjustments to the brake. The background is blurred, but it appears to be an outdoor setting.