I totally agree about treating ST tires like glass. Why should I have to expect less of my trailer tires (boat, RV, or whatever) than I do my truck tires. The trailer goes where the truck goes. I want to be able to tow off-road, hit pot holes, curbs, debris, and even go faster than 65 once in a while without having to worry about the trailer tires any more than I do my truck tires. I admit I don't have the more expensive tires on every trailer I own but when I do get new ones, I upgrade. Like I said, why should I have to expect less from a trailer tire when it travels the same road as the TV.