Metzeler ME 880 Marathon 300/35 R18

Metzeler ME 880 Marathon is a winter tyre made in total of 14 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 300/35 R18 is 160mm wider than the narrowest dimension (140) and 0mm narrower than the widest one (300). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (300mm), which results in 105mm sidewall height.