Toyo Proxes Tr1 225/50 R15

Toyo Proxes Tr1 is a tyre made in total of 60 sizes, ranging from R13 to R13 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 225/50 R15 is 30mm wider than the narrowest dimension (195) and 20mm narrower than the widest one (245). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (225mm), which results in 112.5mm sidewall height.