Bridgestone Blizzak LM-80 Evo is a winter tyre made in total of 46 sizes, ranging from R15 to R15 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/45 R20 is 70mm wider than the narrowest dimension (205) and 0mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height. In 275/45 R20, there is only one possible speed index for Bridgestone Blizzak LM-80 Evo - "V", which is good for speeds up to 240 km/h. In 275/45 R20, 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.