Rieju MX Disc 50 vs Derbi Dirt Boy 50 (2010)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Rieju MX Disc 50stacks up against the Derbi Dirt Boy 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Rieju MX Disc 50 | Derbi Dirt Boy 50 |
|---|---|---|
| Model year | 2010 | 2009 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Weight | 46 kg | 47 kg |
| Seat height | 29 mm | 24 mm |
| Fuel capacity | 0.7 L | 0.6 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | 1-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 2.50-15 / 3.00-12 | 2.50-12 / 2.75-10 |
Rieju MX Disc 50 vs Derbi Dirt Boy 50 — which should you buy?
Picking between the Rieju MX Disc 50 and the Derbi Dirt Boy 50 usually comes down to the numbers you care about most. On paper, the Rieju MX Disc 50 brings its published horsepower in a 46 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: