Falken EuroWinter HS01 is a winter tyre made in total of 364 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/65 R17 is 70mm wider than the narrowest dimension (155) and 90mm narrower than the widest one (315). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (225mm), which results in 146.25mm sidewall height. In 225/65 R17, there is only one possible speed index for Falken EuroWinter HS01 - "H", which is good for speeds up to 210 km/h.
