Falken ZIEX ZE310 Ecorun is a summer tyre made in total of 150 sizes, ranging from R14 to R14 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (185mm), which results in 101.75mm sidewall height. In 185/55 R16, there are 2 possible speed indexes for Falken ZIEX ZE310 Ecorun - "V","H", which are good for speeds up to 240, 210 km/h. In 185/55 R16, ZIEX ZE310 Ecorun usually competes against Advantage, which is a tyre from BFGoodrich with a rating of 68%, compared to 75% of the Falken in question.