P Zero RA
This is the product range for asphalt rallies
This product has been developed to promote more uniform, linear tread wear, particularly in the center of the tire. The design approach supports a larger contact area, which can contribute to more consistent performance characteristics over time.
Conditions | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Size | Version | Overall Diameter (Ø mm) | Section Width (mm) C | Tread Width (mm) C | RollingCircumference | Rim | Wet | Damp | Dry |
195/50R16 | RA5A-RA7B-RA7+A | 600 | 193 | 190 | 1885 | 6.5 | - | 7+ | 5/7 |
205/45R17 | RA5A-RA7B-RA7+A | 625 | 203 | 195 | 1965 | 7 | - | 7+ | 5/7 |
235/40R18 | RA5C-RA7E-RA7+D-RA9A | 650 | 225 | 210 | 2035 | 8 | - | 9/7+ | 5/7 |
Temperature
Compound | Surface | ||||
|---|---|---|---|---|---|
WORKING TEMPERATURE °C | SMOOTH | MEDIUM | ABRASIVE | ||
Super soft | RA9 | 20°-60° | 100 | 49 | 0 |
Soft | RA7+ | 30°-70° | 100 | 100 | 0 |
Medium | RA7 | 50°-90° | 51 | 100 | 0 |
Hard | RA5 | 70°-130° | 0 | 100 | 100 |
Pressure information
Compound | Condition | Air temperature (°C) | Pressure (Bar) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
WET | DAMP | DRY | -5 | 0 | 5 | 10 | 15 | 20 | 25 | 30 | 30+ | COLD PS START | HOT PS END | |
Super soft | 0 | 51 | 100 | 100 | 100 | 100 | 100 | 0 | 0 | 0 | 0 | 0 | 1.8 | 2.0-2.2 |
Soft | 0 | 51 | 100 | 0 | 0 | 100 | 100 | 100 | 100 | 0 | 0 | 0 | 1.8 | 2.0-2.2 |
Medium | 0 | 0 | 100 | 0 | 0 | 0 | 100 | 100 | 100 | 100 | 0 | 0 | 1.6 | 2.0-2.3 |
Hard | 0 | 0 | 100 | 0 | 0 | 0 | 0 | 100 | 100 | 100 | 100 | 100 | 1.6 | 2.0-2.3 |