Pirelli P ZERO is a summer tyre made in total of 309 sizes, ranging from R17 to R17 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 225/40 R19 is 20mm wider than the narrowest dimension (205) and 110mm narrower than the widest one (335). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height. In 225/40 R19, there are 2 possible speed indexes for Pirelli P ZERO - "W","Y", which are good for speeds up to 270, 300 km/h. In 225/40 R19, P ZERO usually competes against Pilot Sport 4 S, which is a tyre from Michelin with a rating of 74%, compared to 0% of the Pirelli in question.
