Cooper Discoverer STT PRO 225/75 R16

Cooper Discoverer STT PRO is a tyre made in total of 46 sizes, ranging from R13 to R13 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 225/75 R16 is 194mm wider than the narrowest dimension (31) and 80mm narrower than the widest one (305). This tyre profile of 75 means the sidewall height of the tyre is 75% of the tyre width (225mm), which results in 168.75mm sidewall height.