I have a class 5 hitch with a maximum carry weight of 500 lbs.
My FZ1 weighs approximately 450 lbs. so the hitch is capable of carrying my motorcycle. My truck is 97 Dodge Ram that weighs over 4000 lbs and the majority of that weight is toward the front so I don't think a wheelie will happen but I agree that if you are running a class 3 hitch - this is probably not a good option.
Although I agree that being rear ended would be catastrophic - so would being rear ended with a small trailer. I have seen (in real life) a motorcycle being towed on a trailer be hit by a trailing car. It was totaled. I have to say that being rear ended is my main concern with this carrier.
As far as loading it with ramps - I have the off road package and this truck is freaking HIGH off the ground. This has made ramps a little awkward because I have to drive up such a steep angel. Now if you are talking about the really big ramp that covers the whole tailgate - I have looked at that but it is so big that I wasn't real sure what to do with it once I had the bike in the back. I like these better because they have more room on the sides to let me put my feet down and balance if I get off the center line. However, they are so big that I didn't want to put it in the bed of the truck for fear that it would scratch/ damage my bike. Putting it in the cab of the truck will take up most of the club cab. Then I won't have room for luggage if we are going on a long trip. This is exactly why I was checking out these carriers. The conventional stuff works but I was wondering if there was something else that would work a little better.
I appreciate you guys input so please keep your ideas coming.