Dunlop Wintersport 5 Suv is a winter tyre made in total of 7 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 245/65 R17 is 10mm wider than the narrowest dimension (235) and 20mm narrower than the widest one (265). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (245mm), which results in 159.25mm sidewall height. In 245/65 R17, there is only one possible speed index for Dunlop Wintersport 5 Suv - "H", which is good for speeds up to 210 km/h.