Tristar Ecopower 4 is a summer tyre made in total of 39 sizes, ranging from R13 to R13 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 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. In
195/50 R15, Ecopower 4 usually competes against
Alnac 4G, which is a tyre from
Apollo with a rating of 39%, compared to 38% of the
Tristar in question.
Summer
