Bridgestone Dueler H/T 840 265/65 R17

Bridgestone Dueler H/T 840 is a summer tyre made in total of 7 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 265/65 R17 is 10mm wider than the narrowest dimension (255) and -10mm narrower than the widest one (255). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (265mm), which results in 172.25mm sidewall height.