Continental ContiWinterContact TS 810S 245/55 R17

Continental ContiWinterContact TS 810S is a winter tyre made in total of 27 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 245/55 R17 is 70mm wider than the narrowest dimension (175) and 0mm narrower than the widest one (245). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (245mm), which results in 134.75mm sidewall height.