In the video, a person is seen holding a bicycle and pointing to the brake lever. The person then moves the brake lever back and forth, demonstrating how to use the brakes. The bicycle appears to be a mountain bike with a black frame and handlebars. The brake lever is located on the right side of the handlebars and is black in color. The person's hand is visible as they manipulate the brake lever, and their shadow can be seen on the ground. The background shows a sidewalk and a street with a car passing by.