Sailun Atrezzo ZSR is a summer tyre made in total of 58 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/35 R17 is 20mm wider than the narrowest dimension (195) and 80mm narrower than the widest one (295). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (215mm), which results in 75.25mm sidewall height. In 215/35 R17, there is only one possible speed index for Sailun Atrezzo ZSR - "W", which is good for speeds up to 270 km/h.