GoodYear UltraGrip 9+ is a winter tyre made in total of 36 sizes, ranging from R14 to R14 - this particular dimension is R14, which means it fits to a 14 inch/355.6mm diameter wheel. 175/70 R14 is 20mm wider than the narrowest dimension (155) and 30mm narrower than the widest one (205). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (175mm), which results in 122.5mm sidewall height. In 175/70 R14, UltraGrip 9+ usually competes against Winter i*cept RS2 W452, which is a tyre from Hankook with a rating of 72%, compared to 79% of the GoodYear in question.