General Altimax Sport is a summer tyre made in total of 3 sizes, ranging from R16 to R16 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In 225/55 R16, there is only one possible speed index for General Altimax Sport - "Y", which is good for speeds up to 300 km/h. In 225/55 R16, Altimax Sport usually competes against Rainsport 3, which is a tyre from Uniroyal with a rating of 0%, compared to 0% of the General in question.