I prefer to put my wheeler in the back of my truck. I do have a trailer for when I have my fourwheel camper in the bed of the truck. My aluminium ramps are almost 8' long. They are bent almost flat from a friend borrowing them to put his jeep on a trailer. I was a little sketched using them for the first time bent, but they still work fine. I wouldn't say one is safer than the other, I have a full size long bed. If your ramps are anchored properly, what's the problem? Everyone has their own notion of what "safe" is. I used to frame houses, it put me through college. I'd walk a 2x4 top plate 3 stories up rolling trusses not tied off to anything. Those days are long behind me, but putting a wheeler in the back of the truck, piece of cake.