Grigg is right on the sizes of 22.5 tires in fact when I bought the 10.00x22.5 for both my 56 and my 64, I found that 9.00x22.5s' although fairly common come in very limited tread patterns. It seems that 9.00x22.5s’ in a traction tire are a very rare critter however I believe that it worked out for the better.
