Continental WinterContact TS 870 195/45 R17

Continental WinterContact TS 870 is a winter tyre made in total of 82 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 195/45 R17 is 40mm wider than the narrowest dimension (155) and -40mm narrower than the widest one (155). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (195mm), which results in 87.75mm sidewall height.