325 tires
325 mm across the tread — about 12.8 inches — on rims from 17 to 24 inches. 72 sizes in all. The second number changes the height, not the width.
325 mm across the tread — about 12.8 inches — on rims from 17 to 24 inches. 72 sizes in all. The second number changes the height, not the width.