What does 255/35R21 mean?
|The tire width is 255mm.|
|The aspect ratio of the tire is 35. Aspect ratio is the relative height of tire sidewall. The number refers to the percentage of sidewall height in relation to tire width.|
|The letter in the middle refers to tire construction. Practically all tires sold for cars are radials.|
Sometimes you also see tires with RF or ZR. RF indicates the tire is run flat, whereas ZR means the tire has speed rating higher than V. These tires are also radials, as the R indicates.
|Rim diameter for the tire.|
255/35R21 98Y tire size
The width of 255/35R21 98Y tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 255/35R21 98Y tire size in inches as well as few additional metrics:
|In inches||In millimeters|
Diameter / Height
|720 per mile||447 per kilometer|
Rim Size for 255/35R21 98Y Tires
Recommended rim sizes for 255/35R21 98Y tire:
What does 98Y mean?
The load index 98 means that the tire has been designed to support 1653 lbs or 750 kg.
The speed index Y means that the tire has been designed to be used in speed up to 186 mph or 300 kph.This size tire is usually used on high-performance cars.