Continental WinterContact TS 860S 245/35 R21

Continental WinterContact TS 860S is a winter tyre made in total of 145 sizes, ranging from R13 to R13 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 245/35 R21 is 50mm wider than the narrowest dimension (195) and 50mm narrower than the widest one (295). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (245mm), which results in 85.75mm sidewall height.