So ive installed some swagman crossbars on top of my PUP using the factory tracks that were on top of the camper (See attached picture). I was able to do it without drilling into the roof (My goal) but now im looking at bike carriers to put on top of the crossbars. In this video (5:45 mark), they show a test of how the system performs on the road. Im worried about all the side to side movement when the camper goes down the road and it messing with the integrity of the roof. I realize that this is a cheaper bike rack but im trying to do this on a budget. Any thoughts?