GT Radial Winter Pro 2 evo 215/50 R17

GT Radial Winter Pro 2 evo is a winter tyre made in total of 40 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/50 R17 is 60mm wider than the narrowest dimension (155) and 20mm narrower than the widest one (235). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height.