Continental WinterContact TS 860S 255/40 R22

Continental WinterContact TS 860S is a winter tyre made in total of 145 sizes, ranging from R13 to R13 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 255/40 R22 is 60mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height.