Yokohama A539 175/50 R13

Yokohama A539 is a summer tyre made in total of 11 sizes, ranging from R13 to R13 - this particular dimension is R13, which means it fits to a 13 inch/330.2mm diameter wheel. 175/50 R13 is 10mm wider than the narrowest dimension (165) and 10mm narrower than the widest one (185). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (175mm), which results in 87.5mm sidewall height.