valhalla360 wrote:
I don't know if I just noticed it but seems like a lot of semi's have recently started going to these.
A lot of semi's use them. They are only for the 22.5 rims. I do not know if they make them in a smaller size . From what I have heard, some of the drivers do not like them in the rain or snow. They hydroplane and get pretty squirmy.
The reduce the unsprung weight as you only have one rim and one tire ,albeit a wider one. Weight is very important when you are grossing 80,000#. Weight is also money in fuel.