Metzeler ME 888 Marathon Ultra 190/55 R17

Metzeler ME 888 Marathon Ultra is a summer tyre made in total of 82 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 190/55 R17 is 50mm wider than the narrowest dimension (140) and 110mm narrower than the widest one (300). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (190mm), which results in 104.5mm sidewall height.