Gripmax SureGrip Pro Winter 225/50 R17

Gripmax SureGrip Pro Winter is a winter tyre made in total of 35 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 50mm wider than the narrowest dimension (175) and 110mm narrower than the widest one (335). 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.