Goodyear Kmax D 245/70 R19.5

Goodyear Kmax D is a allround tyre made in total of 20 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/70 R19.5 is 40mm wider than the narrowest dimension (205) and 70mm narrower than the widest one (315). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (245mm), which results in 171.5mm sidewall height.