I notice that most manufacturers use 19 inch wheels on motorhomes 30 ft and less. I think Tiffin uses 22.5 on their 30ft. The wheels seem rather small especially when you see them side by aide with th...
Before you write off 19.5 tires you need to look at 265 and 285/70 19.5 tires that have load ratings of 6000 lbs. There is no reason to go with a 22.5 tires for more load carrying. Look at the spec for this 19.5.