| Attribute | Derbi Senda X-Treme 50 R 2006 × | Aprilia RS 50 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2006 | 2007 |
| Make | Derbi | Aprilia |
| Model | Derbi Senda X-Treme 50 R | Aprilia RS 50 |
| Category | Enduro / offroad | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor. Dell’Orto PHVA - Ø14 |
| Displacement (cm³) | 49.9 | 49.9 |
| Power (kw) | 6.2 | - |
| Cooling system | Liquid | Liquid |
| Bore (mm) | 39.9 | 39.9 |
| Stroke (mm) | 40 | 40 |
| Gearbox | 6-speed | 6-speed |
| Ignition | Electronic CDI | - |
| Clutch | Multiplate | Multiplate |
| Lubrication system | Oil pump | Automatic mixer |
| Compression | 11.1:1 | 11.5:1 |
| Chassis | ||
| Front suspension | Hydraulic fork, 36 mm | 40 mm upside down fork |
| Rear suspension | Monoshock | Double reinforced member aluminium swingarm with bracing arch; hydraulic monoshock; |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 180 | 180 |
| Frame type | - | Aluminium twin beam frame with extruded profiles and internal reinforcement |
| Front tyre | 80/90-21 | 110/80-17 |
| Rear tyre | 110/80-18 | 130/70-17 |
| Front wheel travel (mm) | 195 | 120 |
| Rear wheel travel (mm) | 180 | 110 |
| Other | ||
| Starter | Kick | - |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,355 | 1,311 |
| Overall height (mm) | 1,132 | 1,100 |
| Overall length (mm) | 2,036 | 1,965 |
| Overall width (mm) | 805 | 720 |
| Performance | ||
| Fuel capacity (l) | - | 13 |