Bridgestone Blizzak LM-32 is a winter tyre made in total of 54 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/50 R17 is 50mm wider than the narrowest dimension (165) and 80mm narrower than the widest one (295). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In 215/50 R17, there is only one possible speed index for Bridgestone Blizzak LM-32 - "", which is good for speeds up to km/h. In 215/50 R17, Blizzak LM-32 usually competes against Winter Sport 5, which is a tyre from Dunlop with a rating of 83%, compared to 0% of the Bridgestone in question.