GoodYear UltraGrip Performance 3 195/50 R18

GoodYear UltraGrip Performance 3 is a winter tyre made in total of 356 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 195/50 R18 is 20mm wider than the narrowest dimension (175) and 90mm narrower than the widest one (285). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (195mm), which results in 97.5mm sidewall height.