GT Radial Champiro FE1 is a summer tyre made in total of 51 sizes, ranging from R14 to R14 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 215/55 R16 is 30mm wider than the narrowest dimension (185) and 10mm narrower than the widest one (225). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (215mm), which results in 118.25mm sidewall height. In 215/55 R16, there are 2 possible speed indexes for GT Radial Champiro FE1 - "V","W", which are good for speeds up to 240, 270 km/h. In 215/55 R16, Radial Champiro FE1 usually competes against N blue HD Plus, which is a tyre from Nexen with a rating of 0%, compared to 0% of the GT in question.