GT Radial Champiro WinterPro 2 245/65 R17

GT Radial Champiro WinterPro 2 is a winter tyre made in total of 44 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 245/65 R17 is 90mm wider than the narrowest dimension (155) and 0mm narrower than the widest one (245). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (245mm), which results in 159.25mm sidewall height.