| Attribute | Derbi GPR Racing 125 × | Aprilia RS 50 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2007 |
| Make | Derbi | Aprilia |
| Model | Derbi GPR Racing 125 | Aprilia RS 50 |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Mikuni 28 mm | Carburettor. Dell’Orto PHVA - Ø14 |
| Displacement (cm³) | 124.8 | 49.9 |
| Cooling system | Liquid | Liquid |
| Bore (mm) | 56 | 39.9 |
| Stroke (mm) | 50.7 | 40 |
| Gearbox | 6-speed | 6-speed |
| Ignition | Electronic C.D.I. | - |
| Clutch | Multiplate | Multiplate |
| Lubrication system | Oil pump | Automatic mixer |
| Compression | 12.5:1 | 11.5:1 |
| Chassis | ||
| Front suspension | Inverted fork. | 40 mm upside down fork |
| Rear suspension | Monoshock | Double reinforced member aluminium swingarm with bracing arch; hydraulic monoshock; |
| Front brakes | Single disc. 2-piston calipers | Single disc |
| Rear brakes | Single disc. 2-piston calipers | Single disc |
| Diameter (mm) | 180 | 180 |
| Frame type | - | Aluminium twin beam frame with extruded profiles and internal reinforcement |
| Front tyre | 110/80-17 | 110/80-17 |
| Rear tyre | 140/70-17 | 130/70-17 |
| Front wheel travel (mm) | 120 | 120 |
| Rear wheel travel (mm) | 110 | 110 |
| Other | ||
| Starter | Electric | - |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,355 | 1,311 |
| Overall height (mm) | 1,166 | 1,100 |
| Overall length (mm) | 2,024 | 1,965 |
| Overall width (mm) | 760 | 720 |
| Performance | ||
| Fuel capacity (l) | 13 | 13 |