Dunlop Grandtrek PT2A 285/50 R20

Dunlop Grandtrek PT2A is a tyre made in total of 1 sizes, ranging from R20 to R20 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (285mm), which results in 142.5mm sidewall height.