Can be mounted on any substantial interior or exterior surface without a backboard. Once permanently mounted, the rim can be removed & stored if needed. Mounts flat against the wall. Hard extruded aluminum & won't rust. Perfect for when you have limited space in your gym, use your walls as backboards. Can be set at various heights to accomodate different age levels. TR-750 Wall Bracket & Goal Set $119.95 TR-74 Bracket Only $59.95 BA26 Rim Only $64.95