Semperit Speed-Grip 5 is a winter tyre made in total of 92 sizes, ranging from R14 to R14 - this particular dimension is R14, which means it fits to a 14 inch/355.6mm diameter wheel. 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 is only one possible speed index for Semperit Speed-Grip 5 - "T", which is good for speeds up to 190 km/h. In 165/70 R14, Speed-Grip 5 usually competes against EuroWinter HS01, which is a tyre from Falken with a rating of 66%, compared to 73% of the Semperit in question.