Bridgestone Blizzak LM-005 is a winter tyre made in total of 213 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 205/60 R18 is 50mm wider than the narrowest dimension (155) and 80mm narrower than the widest one (285). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (205mm), which results in 123mm sidewall height. In 205/60 R18, there is only one possible speed index for Bridgestone Blizzak LM-005 - "H", which is good for speeds up to 210 km/h.
