I was typing my last reply while you were working on yours. I don't think those Thule racks would work for your bike, since the rear end of the bike is going to be moving around so much.
If your roads aren't paved, then don't change the tires; I assumed they were. (which island is it, by the way?)
If your roads aren't paved, then don't change the tires; I assumed they were. (which island is it, by the way?)