Continental 4X4 WinterContact 275/55 R17

Continental 4X4 WinterContact is a winter tyre made in total of 18 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 275/55 R17 is 60mm wider than the narrowest dimension (215) and -10mm narrower than the widest one (265). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (275mm), which results in 151.25mm sidewall height.