Debica Presto HP is a summer tyre made in total of 51 sizes, ranging from R14 to R14 - 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 20mm narrower than the widest one (215). 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, there are 2 possible speed indexes for Debica Presto HP - "H","V", which are good for speeds up to 210, 240 km/h. In 195/50 R15, Presto HP usually competes against Ventus Prime3 K125, which is a tyre from Hankook with a rating of %, compared to 0% of the Debica in question.