Dunlop Winter Sport 5 is a winter tyre made in total of 229 sizes, ranging from R14 to R14 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 245/40 R19 is 80mm wider than the narrowest dimension (165) and 50mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In 245/40 R19, there is only one possible speed index for Dunlop Winter Sport 5 - "V", which is good for speeds up to 240 km/h. In 245/40 R19, 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.
