Kumho ECSTA PS71 285/40R21
285/40R21 109Y XL 夏季胎
Service description
| Max. cert. speed | 300.0km/h |
|---|---|
| Speed rating | Y |
| Load index | 109 |
| Max. load (single) | 2,270 lb / 1,030 KG |
| Load range | XL |
| Max. press. (single) | 50 PSI |
Design
| Tread design | Asymmetrical |
|---|---|
| Run-flat | No |
| Technologies | - |
UTQG Ratings
| Treadwear | 420 |
|---|---|
| Traction | AA |
| Temperature | A |
Other specifications
| Overall diam. | 30.0in. |
|---|---|
| Revolutions | -/km |
| Revolutions | -/mile |
| Weight | 15.30kg |
| Weight | 33.72lb |
| Tread depth | 9.6/32 in. |
| Tread width | -in. |
| Section width | 285.0 |
| Rim width, max. | -in. |
| Rim width, meas. | -in. |
| Rim width, min. | -in. |