Sailun Atrezzo ZSR 2 275/40 R20

Sailun Atrezzo ZSR 2 is a summer tyre made in total of 139 sizes, ranging from R16 to R16 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/40 R20 is 70mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In 275/40 R20, Atrezzo ZSR 2 usually competes against N Fera Sport, which is a tyre from Nexen with a rating of 72%, compared to 76% of the Sailun in question.