Goodyear UltraGrip 9 is a winter tyre made in total of 39 sizes, ranging from R14 to R14 - this particular dimension is R14, which means it fits to a 14 inch/355.6mm diameter wheel. 165/70 R14 is 10mm wider than the narrowest dimension (155) and 40mm narrower than the widest one (205). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (165mm), which results in 115.5mm sidewall height. In 165/70 R14, there are 2 possible speed indexes for Goodyear UltraGrip 9 - "T","R", which are good for speeds up to 190, 170 km/h. In 165/70 R14, UltraGrip 9 usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 92%, compared to 76% of the Goodyear in question.