Bridgestone Blizzak LM-30 195/50 R15

Bridgestone Blizzak LM-30 is a winter tyre made in total of 4 sizes, ranging from R14 to R14 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 195/50 R15 is 20mm wider than the narrowest dimension (175) and 0mm narrower than the widest one (195). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (195mm), which results in 97.5mm sidewall height.