This is a rear carrier that can be used with road bikes and cross bikes purchased from Cycle Base Asahi. Everything in the picture is included. It will be disassembled for shipping. It cannot be installed on bicycles with disc brakes. Material: Aluminum hollow pipe Compatible wheel sizes: 26/27 inch, 700c compatible Top plate size: 330 x 130mm Maximum load: Approximately 15kg Weight: Approximately 575g (excluding mounting hardware) All screws are included, but they are nearing the end of their lifespan, so please prepare replacements if they become stripped. There are scratches on the part where the taillight was attached.