Mitas Terra Force Mx-Mh is a summer tyre made in total of 10 sizes, ranging from R18 to R18 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. is 20mm wider than the narrowest dimension (100) and -30mm narrower than the widest one (90). This tyre profile of 90 means the sidewall height of the tyre is 90% of the tyre width (120mm), which results in 108mm sidewall height. In , there is only one possible speed index for Mitas Terra Force Mx-Mh - "M", which is good for speeds up to km/h.