Debica Presto UHP is a summer tyre made in total of 10 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (205mm), which results in 102.5mm sidewall height. In 205/50 R17, there is only one possible speed index for Debica Presto UHP - "W", which is good for speeds up to 270 km/h. In 205/50 R17, Presto UHP usually competes against Aspire XP, which is a tyre from Apollo with a rating of 53%, compared to 22% of the Debica in question.