GT Radial WinterPro2 Sport 215/45 R17

GT Radial WinterPro2 Sport is a winter tyre made in total of 55 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/45 R17 is 10mm wider than the narrowest dimension (205) and 20mm narrower than the widest one (235). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (215mm), which results in 96.75mm sidewall height.