CPI Formula R 50 vs Derbi GP1 50 Open (2009)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the CPI Formula R 50stacks up against the Derbi GP1 50 Open. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | CPI Formula R 50 | Derbi GP1 50 Open |
|---|---|---|
| Model year | 2009 | 2009 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 3 hp | — |
| Weight | — | 103 kg |
| Seat height | — | 31 mm |
| Fuel capacity | 1.4 L | 2.9 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 120/70-12 / 130/70-12 | 120/70-14 / 140/60-13 |
CPI Formula R 50 vs Derbi GP1 50 Open — which should you buy?
Picking between the CPI Formula R 50 and the Derbi GP1 50 Open usually comes down to the numbers you care about most. On paper, the CPI Formula R 50 brings 3 hp, while the Derbi GP1 50 Open counters with its own power figure at 103 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: