| MODEL | DERBI GPX1 2007 |
| Year | 2007 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 49 cc / 2.99 cu in |
| Bore X Stroke | — |
| Compression Ratio | 10.5:1 |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | CDI |
| Induction | Dell'Orto carburettor |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | — |
| Clutch | Automatic |
| Final Drive | Shaft (cardan) |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | Single disc, ventilated, 245 mm / 9.6 in |
| Rear Brakes | Single disc, ventilated, 180 mm / 7.1 in |
| DIMENSION SPECS | |
| Overall Length | 1860 mm / 73.2 in |
| Overall Width | 706 mm / 27.8 in |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 1140 mm / 44.9 in |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 120/80-14 |
| Rear Tyre | 150/60-14 |
| FUEL SYSTEM | |
| Fuel Capacity | 7 Litres / 1.85 US gal |
| Fuel Consumption | — |
| Top Speed | — |
A yellow-and-black 50 cc concept scooter from 2007 with a liquid-cooled two-stroke and a shaft final drive, unusual for a scooter. It sported wide tyres and ventilated discs front and rear.
