Bridgestone Weather Control A005 255/55 R18

Bridgestone Weather Control A005 is a allround tyre made in total of 90 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/55 R18 is 80mm wider than the narrowest dimension (175) and -10mm narrower than the widest one (245). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (255mm), which results in 140.25mm sidewall height.