The image shows a close-up of the rear wheel of a bicycle. The wheel is red and appears to be old and rusted, with visible signs of wear and tear. The chain is visible in the center of the image, with a silver sprocket attached to it. The sprocket has a bolt and a nut, and there is a red handlebar attached to the chain. The background is blurred, but it seems to be a part of the frame of the bicycle.