I do have an option for you but the angle piece from the Swagman Traveler XCS S64664 would not allow you to carry a bike rack and cargo rack at the same time. If you were able to make it work it would be very unsafe.
I recommend to use the Malone Dual Hitch Extender for 2" Trailer Hitches part # MPG544 which will allow you to carry a cargo rack and bike rack at the same time. This extension measures 12" but will reduce your hitch's weight capacity by 50 percent. The weight of both racks,... view full answer...