Derbi GP1 50 Racing vs Hyosung SF 50B (2009)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Derbi GP1 50 Racingstacks up against the Hyosung SF 50B. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Derbi GP1 50 Racing | Hyosung SF 50B |
|---|---|---|
| Model year | 2009 | 2009 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Weight | 103 kg | — |
| Seat height | 33 mm | — |
| Fuel capacity | 2.1 L | 1.1 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | — |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 120/70-14 / 140/60-14 | 120/90-10 / 130/90-10 |
Derbi GP1 50 Racing vs Hyosung SF 50B — which should you buy?
Picking between the Derbi GP1 50 Racing and the Hyosung SF 50B usually comes down to the numbers you care about most. On paper, the Derbi GP1 50 Racing brings its published horsepower in a 103 kg package, while the Hyosung SF 50B counters with its own power figure.
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: