Bridgestone Blizzak LM-005 is a winter tyre made in total of 213 sizes, ranging from R14 to R14 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 265/45 R20 is 110mm wider than the narrowest dimension (155) and 20mm narrower than the widest one (285). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (265mm), which results in 119.25mm sidewall height. In 265/45 R20, there are 2 possible speed indexes for Bridgestone Blizzak LM-005 - "T","V", which are good for speeds up to 190, 240 km/h. In 265/45 R20, Blizzak LM-005 usually competes against UltraGrip Performance+, which is a tyre from GoodYear with a rating of 82%, compared to 87% of the Bridgestone in question.