Continental ContiWinterContact TS 810S 265/40 R18

Continental ContiWinterContact TS 810S is a winter tyre made in total of 30 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 265/40 R18 is 90mm wider than the narrowest dimension (175) and -20mm narrower than the widest one (245). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (265mm), which results in 106mm sidewall height.