Toyo Proxes T1 Sport is a summer tyre made in total of 18 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 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. In 225/50 R17, there is only one possible speed index for Toyo Proxes T1 Sport - "Y", which is good for speeds up to 300 km/h. In 225/50 R17, Proxes T1 Sport usually competes against Roadhawk, which is a tyre from Firestone with a rating of 57%, compared to 0% of the Toyo in question.
