Hankook K125 Ventus Prime3 is a summer tyre made in total of 36 sizes, ranging from R15 to R15 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 205/65 R15 is 20mm wider than the narrowest dimension (185) and 40mm narrower than the widest one (245). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (205mm), which results in 133.25mm sidewall height. In 205/65 R15, there is only one possible speed index for Hankook K125 Ventus Prime3 - "H", which is good for speeds up to 210 km/h. In 205/65 R15, K125 Ventus Prime3 usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 87%, compared to 0% of the Hankook in question.