Pirelli P ZERO is a summer tyre made in total of 309 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/45 R17 is 20mm wider than the narrowest dimension (205) and 110mm narrower than the widest one (335). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (225mm), which results in 101.25mm sidewall height. In 225/45 R17, there are 2 possible speed indexes for Pirelli P ZERO - "W","Y", which are good for speeds up to 270, 300 km/h. Latest test in 225/45 R17 was held by Autoexpress in 2015, where P ZERO received rating "" and finished on the 5. place. It was tested on a .
