2025 Gnu - Riders Choice Size Chart
| Size | Contact Length | Sidecut | Nose/Tail Width | Waist Width | Stance (in) | Setback (in) | Weight (kg) |
| 151.5 | 113.0 | 7.9/8.2 | 29.2 | 25.1 | 20.0-26.0 | 0 | 60+ |
| 154.5 | 116.0 | 7.7/8.1 | 29.3 | 25.2 | 20.25-25.0 | 0 | 60+ |
| 157.5 | 119.0 | 7.8/8.2 | 29.9 | 25.5 | 20.25-25.0 | 0 | 65+ |
| 159.5 | 120.0 | 7.9/8.0 | 30.0 | 25.6 | 20.25-25.0 | 0 | 65+ |
| 161.5 | 122.0 | 8.0/8.4 | 30.2 | 25.8 | 20.25-25.0 | 0 | 65+ |
| 155 Wide | 116.0 | 7.7/8.1 | 30.7 | 26.5 | 20.25-25.0 | 0 | 60+ |
| 158 Wide | 119.0 | 7.8/8.2 | 31.2 | 26.8 | 20.25-25.0 | 0 | 65+ |
| 162 Wide | 122.0 | 8.0/8.4 | 31.3 | 26.8 | 20.25-25.0 | 0 | 70+ |
All measurements in centimetres unless otherwise specified