Bridgestone Blizzak DM-V2 245/70 R17

Bridgestone Blizzak DM-V2 is a winter tyre made in total of 71 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 245/70 R17 is 50mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (285). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (245mm), which results in 171.5mm sidewall height.