Z Zach New member Feb 10, 2011 #1 All I need to know is what size tire I need. I have an 18 inch rim that is 7.5 inches wide. I already know I need a tire that is ?/40/18 but I don't know what the first number should be. I'm guessing 225? Any help?!
All I need to know is what size tire I need. I have an 18 inch rim that is 7.5 inches wide. I already know I need a tire that is ?/40/18 but I don't know what the first number should be. I'm guessing 225? Any help?!
