Kuat specifically states not to use the Kuat NV Base 2.0 Hitch Bike Rack # BA22B on the back of a fifth wheel, motorhome or travel trailer. This mainly has to do with the distance between the hitch and the rear axle. A hitch on the back of a fifth wheel is much farther from the rear axle than a hitch on car or truck, so it will be faced with a lot more movement while driving. More movement means more stress on the bike rack itself, stress that the bike rack is not made to withstand. The... view full answer...