What does 265/45R21 mean?
|
265 |
The tire width is 265mm. |
|
45 |
The aspect ratio of the tire is 45. Aspect ratio is the relative height of tire sidewall. The number refers to the percentage of sidewall height in relation to tire width. |
|
R |
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. |
|
21 |
Rim diameter for the tire. |
265/45R21 104T tire size
The width of 265/45R21 104T tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 265/45R21 104T tire size in inches as well as few additional metrics:
|
|
In inches | In millimeters |
|
Section Width |
10.4″ | 265mm |
|
Sidewall height |
4.7″ | 119mm |
|
Diameter / Height |
30.4″ | 772mm |
|
Circumference |
95.5″ | 2425mm |
|
Rim Diameter |
21″ | |
|
Revolutions |
664 per mile | 412 per kilometer |
Rim Size for 265/45R21 104T Tires
Recommended rim sizes for 265/45R21 104T tire:
| Diameter | Width Range |
| 21″ | 8.5-10″ |
What does 104T mean?
The load index 104 means that the tire has been designed to support 1984 lbs or 900 kg.
The speed index T means that the tire has been designed to be used in speed up to 118 mph or 190 kph.
This size tire is usually used on SUVs and light trucks.