Bridgestone Blizzak LM-80 Evo is a winter tyre made in total of 46 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/50 R18 is 30mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (275). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (235mm), which results in 117.5mm sidewall height. In 235/50 R18, there is only one possible speed index for Bridgestone Blizzak LM-80 Evo - "H", which is good for speeds up to 210 km/h. In 235/50 R18, Blizzak LM-80 Evo usually competes against WinterContact TS 850P SUV, which is a tyre from Continental with a rating of 74%, compared to 0% of the Bridgestone in question.