GoodYear UltraGrip 9+ 175/60 R15

GoodYear UltraGrip 9+ is a winter tyre made in total of 37 sizes, ranging from R14 to R14 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 175/60 R15 is 20mm wider than the narrowest dimension (155) and 30mm narrower than the widest one (205). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (175mm), which results in 105mm sidewall height.