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. 175/70 R14 is 20mm wider than the narrowest dimension (155) and -10mm narrower than the widest one (165). 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, there is only one possible speed index for Cooper CS7 - "T", which is good for speeds up to 190 km/h. In 175/70 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.