Cobra CX50 SR The King vs Derbi Dirt Boy 50 (2010)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Cobra CX50 SR The Kingstacks up against the Derbi Dirt Boy 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Cobra CX50 SR The King | Derbi Dirt Boy 50 |
|---|---|---|
| Model year | 2010 | 2009 |
| Price | $3,898 | — |
| Engine | 50 cc | 50 cc |
| Weight | 41 kg | 47 kg |
| Seat height | 27 mm | 24 mm |
| Fuel capacity | — | 0.6 L |
| Fuel type | petrol | petrol |
| Transmission | 1-speed | 1-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 2.50-12 / 2.75-10 | 2.50-12 / 2.75-10 |
Cobra CX50 SR The King vs Derbi Dirt Boy 50 — which should you buy?
Picking between the Cobra CX50 SR The King and the Derbi Dirt Boy 50 usually comes down to the numbers you care about most. On paper, the Cobra CX50 SR The King brings its published horsepower in a 41 kg package, while the Derbi Dirt Boy 50 counters with its own power figure at 47 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: