Dunlop SP Sport MAXX RT2 is a summer tyre made in total of 101 sizes, ranging from R17 to R17 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/35 R19 is 50mm wider than the narrowest dimension (205) and 30mm narrower than the widest one (285). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In 255/35 R19, there is only one possible speed index for Dunlop SP Sport MAXX RT2 - "Y", which is good for speeds up to 300 km/h. In 255/35 R19, SP Sport MAXX RT2 usually competes against Eagle F1 Supersport, which is a tyre from GoodYear with a rating of 71%, compared to 72% of the Dunlop in question.