Dunlop Sp446 225/75 R17

Dunlop Sp446 is a allround tyre made in total of 19 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/75 R17 is 20mm wider than the narrowest dimension (205) and 90mm narrower than the widest one (315). 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.