Apollo Aspire XP is a summer tyre made in total of 50 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 20mm wider than the narrowest dimension (205) and 50mm narrower than the widest one (275). 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 Apollo Aspire XP - "Y", which is good for speeds up to 300 km/h. Latest test in 225/50 R17 was held by Autozeitung in 2020, where Aspire XP received rating "" and finished on the 10. place. It was tested on a BMW 3 series.