Bridgestone Dueler A/T 001 215/75 R15

Bridgestone Dueler A/T 001 is a winter tyre made in total of 31 sizes, ranging from R15 to R15 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 215/75 R15 is 20mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (255). This tyre profile of 75 means the sidewall height of the tyre is 75% of the tyre width (215mm), which results in 161.25mm sidewall height.