Cooper CS7 is a summer tyre made in total of 40 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 0mm narrower than the widest one (165). 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 Cooper CS7 - "T", which is good for speeds up to 190 km/h. In 165/70 R14, CS7 usually competes against Dynaxer HP3, which is a tyre from Kleber with a rating of 41%, compared to 52% of the Cooper in question.