FTP forks VS standard tapered forks:
| FTP FORKS CLASS 2A | ||
| Class | Fork Size - Inches | Fork Size - Millimeters |
| ITA Class II | 1.25" x 4" x 42" | 100x35x1070 |
| ITA Class II | 1.25" x 4" x 48" | 100x35x1220 |
| ITA Class II | 1.5" x 4" x 42" | 100x40x1070 |
| ITA Class II | 1.5" x 4" x 48" | 100x40x1220 |
| ITA Class II | 1.5" x 5" x 42" | 125x40x1070 |
| ITA Class II | 1.5" x 5" x 48" | 125x40x1220 |
| ITA Class II | 1.5" x 5" x 60" | 125x40x1520 |
| ITA Class II | 1.75" x 5" x 48" | 125x45x1220 |
| ITA Class II | 1.75" x 5" x 60" | 125x45x1520 |
| ITA Class II | 1.75" x 5" x 72" | 125x45x1830 |
| FTP FORKS CLASS 3A | ||
| Class | Fork Size - Inches | Fork Size - Millimeters |
| ITA Class III | 1.5" x 5" x 48" | 125x40x1220 |
| ITA Class III | 1.5" x 5" x 60" | 125x40x1520 |
| ITA Class III | 1.75" x 5" x 48" | 125x45x1220 |
| ITA Class III | 1.75" x 5" x 60" | 125x45x1520 |
| ITA Class III | 1.75" x 5" x 72" | 125x45x1830 |
| ITA Class III | 1.5" x 7" x 42" | 180x40x1070 |
| ITA Class III | 1.5" x 7" x 48" | 180x40x1220 |
| ITA Class III | 1.5" x 8" x 48" | 200x40x1220 |
| ITA Class III | 1.5" x 10" x 48" | 250x40x1220 |
| ITA Class III | 2" x 6" x 48" | 150x50x1220 |
| ITA Class III | 2" x 6" x 60" | 150x50x1520 |
| FTP FORKS CLASS 4A | ||
| Class | Fork Size - Inches | Fork Size - Millimeters |
| ITA Class IV | 1.5" x 10" x 48" | 250x40x1220 |
| ITA Class IV | 1.5" x 12" x 48" | 300x40x1220 |
| ITA Class IV | 2" x 6" x 48" | 150x50x1220 |
| ITA Class IV | 2" x 8" x 48" | 200x50x1220 |
