Dunlop Winter Sport 5 is a winter tyre made in total of 119 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 245/45 R17 is 50mm wider than the narrowest dimension (195) and 50mm narrower than the widest one (295). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (245mm), which results in 110.25mm sidewall height. In 245/45 R17, there is only one possible speed index for Dunlop Winter Sport 5 - "V", which is good for speeds up to 240 km/h. In 245/45 R17, Winter Sport 5 usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 88%, compared to 88% of the Dunlop in question.
