| F1RST 20 | |||
| AIR 60-100 MM TRAVEL-20IN WHEEL | |||
| Rider Weight | Air Pressure | ||
| LBS | KGS | PSI | [BAR] |
| 30 | 14 | 20-24 | 4.4-1.6 |
| 45 | 20 | 30-36 | 2.0-2.5 |
| 60 | 27 | 40-48 | 2.7-3.3 |
| 75 | 34 | 49-59 | 3.4-4.1 |
| 90 | 41 | 59-71 | 4.1-4.9 |
| WARNING | |||
| MAX PRESSURE NOT TO EXCEED 120 PSI [8.3 BAR] | |||
| F1RST 24 | |||
| AIR 60-120 MM TRAVEL-24IN WHEEL | |||
| Rider Weight | Air Pressure | ||
| LBS | KGS | PSI | [BAR] |
| 40 | 18 | 31-37 | 2.1-2.5 |
| 60 | 27 | 46-55 | 3.2-3.8 |
| 80 | 36 | 62-74 | 4.3-5.1 |
| 100 | 45 | 77-92 | 5.3-6.4 |
| 120 | 54 | 92-111 | 6.3-7.6 |
| WARNING | |||
| MAX PRESSURE NOT TO EXCEED 120 PSI [8.3 BAR] | |||
| F1RST 16 | |||
| AIR 50-60 MM TRAVEL-16IN WHEEL | |||
| Rider Weight | Air Pressure | ||
| LBS | KGS | PSI | [BAR] |
| 30 | 15 | 15-20 | 1.3-1.4 |
| 45 | 20 | 25-30 | 1.7-2.0 |
| 60 | 26 | 30-35 | 2.0-2.4 |
| 75 | 33 | 35-40 | 2.4-2.8 |
| 90 | 40 | 40-45 | 2.8-3.1 |
| WARNING | |||
| MAX PRESSURE NOT TO EXCEED 120 PSI [8.3 BAR] | |||