Imperial EcoDriver 4S 195/50 R15

Imperial EcoDriver 4S is a allround tyre made in total of 21 sizes, ranging from R13 to R13 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 195/50 R15 is 30mm wider than the narrowest dimension (165) and 30mm narrower than the widest one (225). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (195mm), which results in 97.5mm sidewall height.