Derbi GP1 50 Open vs Giantco Spartan 50 (2009)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Derbi GP1 50 Openstacks up against the Giantco Spartan 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Derbi GP1 50 Open | Giantco Spartan 50 |
|---|---|---|
| Model year | 2009 | 2009 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | — | 2 hp |
| Torque | — | 4 Nm |
| Weight | 103 kg | 90 kg |
| Seat height | 31 mm | — |
| Fuel capacity | 2.9 L | 1.1 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | — |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Tires | 120/70-14 / 140/60-13 | 120/70-12 / 130/70-12 |
Derbi GP1 50 Open vs Giantco Spartan 50 — which should you buy?
Picking between the Derbi GP1 50 Open and the Giantco Spartan 50 usually comes down to the numbers you care about most. On paper, the Derbi GP1 50 Open brings its published horsepower in a 103 kg package, while the Giantco Spartan 50 counters with 2 hp at 90 kg.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike:

