Apollo Alnac 4G 205/50 R17

Apollo Alnac 4G is a summer tyre made in total of 77 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/50 R17 is 20mm wider than the narrowest dimension (185) and 10mm narrower than the widest one (215). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (205mm), which results in 102.5mm sidewall height.