Piaggio Liberty 50 Catalyzed vs Derbi Red Bullet (2005)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Piaggio Liberty 50 Catalyzedstacks up against the Derbi Red Bullet. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Piaggio Liberty 50 Catalyzed | Derbi Red Bullet |
|---|---|---|
| Model year | 2005 | 2004 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Weight | 87 kg | — |
| Seat height | 31 mm | — |
| Fuel capacity | 1.6 L | 1.9 L |
| Fuel type | petrol | petrol |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 90/80-16 / 110/80-14 | 120/70-12 / 120/70-12 |
Piaggio Liberty 50 Catalyzed vs Derbi Red Bullet — which should you buy?
Picking between the Piaggio Liberty 50 Catalyzed and the Derbi Red Bullet usually comes down to the numbers you care about most. On paper, the Piaggio Liberty 50 Catalyzed brings its published horsepower in a 87 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:

