Maxxis Mecotra 3 is a summer tyre made in total of 119 sizes, ranging from R13 to R13 - this particular dimension is R14, which means it fits to a 14 inch/355.6mm diameter wheel. 185/80 R14 is 40mm wider than the narrowest dimension (145) and 10mm narrower than the widest one (195). This tyre profile of 80 means the sidewall height of the tyre is 80% of the tyre width (185mm), which results in 148mm sidewall height. In 185/80 R14, there is only one possible speed index for Maxxis Mecotra 3 - "T", which is good for speeds up to 190 km/h.