Continental ContiWinterContact TS 810S 235/55 R17

Continental ContiWinterContact TS 810S is a winter tyre made in total of 30 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/55 R17 is 60mm wider than the narrowest dimension (175) and 10mm narrower than the widest one (245). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height.