Kumho Ecsta PS71 SUV is a summer tyre made in total of 55 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 295/35 R21 is 80mm wider than the narrowest dimension (215) and -10mm narrower than the widest one (285). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (295mm), which results in 103.25mm sidewall height. In 295/35 R21, there is only one possible speed index for Kumho Ecsta PS71 SUV - "Y", which is good for speeds up to 300 km/h. In 295/35 R21, Ecsta PS71 SUV usually competes against Azenis FK510 SUV, which is a tyre from Falken with a rating of 62%, compared to 64% of the Kumho in question.