BFGoodrich Activan 4S 225/65 R16

BFGoodrich Activan 4S is a tyre made in total of 23 sizes, ranging from R15 to R15 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 225/65 R16 is 30mm wider than the narrowest dimension (195) and -10mm narrower than the widest one (215). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (225mm), which results in 146.25mm sidewall height.