Thunderer EXTENSA A/S: UTQG grades
Treadwear360–620
Best tractionA
Best temperatureA
NHTSA lists 2 rating entries for this tire line. Sizes are shown exactly as published.
| Size / series (as published) | Treadwear | Traction | Temperature |
|---|---|---|---|
| H | 360 | A | A |
| S, T | 620 | A | B |
Other Thunderer tire lines
- 800 ULTRA 700
- A20 300
- A23 300
- A24 300
- AMERICA AT 909 420
- AMERICA SELECTA 420
- AMERICA SELECTA PUS 460
- ASTRAL 400
- ASTRAL NEO 440
- ASTRAL PLUS 360
- CELSIUS 440
- CELSIUS CUV 520
What do these grades mean? See our guides. Always confirm the grades molded on the tire sidewall before you buy.