Bridgestone Blizzak 6 245/40 R17

Bridgestone Blizzak 6 is a winter tyre made in total of 194 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 245/40 R17 is 60mm wider than the narrowest dimension (185) and 80mm narrower than the widest one (325). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height.