BFGoodrich G-Grip All Season is a allround tyre made in total of 25 sizes, ranging from R13 to R13 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 215/55 R16 is 60mm wider than the narrowest dimension (155) 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 BFGoodrich G-Grip All Season - "H","V", which are good for speeds up to 210, 240 km/h.