Sailun Atrezzo SVR LX 285/50 R20

Sailun Atrezzo SVR LX is a summer tyre made in total of 17 sizes, ranging from R20 to R20 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 285/50 R20 is 30mm wider than the narrowest dimension (255) and 20mm narrower than the widest one (305). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (285mm), which results in 142.5mm sidewall height.