Hyosung SD 50 M vs Derbi Red Bullet (2005)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Hyosung SD 50 Mstacks up against the Derbi Red Bullet. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Hyosung SD 50 M | Derbi Red Bullet |
|---|---|---|
| Model year | 2005 | 2004 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Weight | 70 kg | — |
| Fuel capacity | 1.3 L | 1.9 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | — |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 3.00-10-4PR / 3.00-10-4PR | 120/70-12 / 120/70-12 |
Hyosung SD 50 M vs Derbi Red Bullet — which should you buy?
Picking between the Hyosung SD 50 M and the Derbi Red Bullet usually comes down to the numbers you care about most. On paper, the Hyosung SD 50 M brings its published horsepower in a 70 kg package, while the Derbi Red Bullet 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:

