Goodyear Wrangler MT/R is a summer tyre made in total of 3 sizes, ranging from R16 to R16 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (235mm), which results in 164.5mm sidewall height. In 235/70 R16, there is only one possible speed index for Goodyear Wrangler MT/R - "Q", which is good for speeds up to 160 km/h.