STROMBERG Carlson Bike Bunk - The first trailer tongue cargo carrying system. Adjustable to fit most A frame trailers on the road today. Up to 100 pounds can be supported and your tow vehicles suspension guarantees this is the softest riding area on your trailer. A raised receiver on the A frame is the perfect place to put your bikes. Bike Bunk allows any bike rack designed for a 2 inch receiver to fit. Your application will be determined by turning radius and positioning of the rack. Bike Bunk.