Got tired of strapping bikes to the rear of my trailer, so I came up with a cheaper version of the Arvika bike carrier which retails in the $500 range and puts bikes on top of the propane tanks. Cost ...
Just to comment on the screws in the frame.....when you in stall one or two sway controls on your A frame it can amount to 8- 12 screw holes depending on brand and model.(usually installed by an rv dealer) The holes do not go through both walls of the A frame. Looking at the pictures of the mod done hear it looks to be about the same. I would suggest spraying a rust inhibitor now and again to keep the screw holes from starting to rust.