Bridgestone DriveGuard winter 195/65 R15

Bridgestone DriveGuard winter is a winter tyre made in total of 11 sizes, ranging from R15 to R15 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 195/65 R15 is 10mm wider than the narrowest dimension (185) and 30mm narrower than the widest one (225). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (195mm), which results in 126.75mm sidewall height.