Continental WinterContact TS 870 P 325/40 R22

Continental WinterContact TS 870 P is a winter tyre made in total of 222 sizes, ranging from R16 to R16 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 325/40 R22 is 120mm wider than the narrowest dimension (205) and -40mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (325mm), which results in 130mm sidewall height.