Aluminum bicycle cargo carrier, easy to install with a clamp. It has scratches from use. Please refrain from purchasing if you are concerned about this. Rubber sheets are also included for easy fixing. - Type: Bicycle cargo carrier - Material: Aluminum - Color: Black/Silver - Mounting method: Clamp type - Size: Standard size Thank you for viewing. Size Total length: Approximately 480mm (cargo carrier 280mm) Width: Approximately 120mm Mountable seat post diameter: Approximately 22-32mm Weight capacity: (Approx.) 9kg Product Description Recommended for sports bikes Easy-to-install, tool-free, aftermarket rear carrier that attaches to the seat post.