Comparison of Aprilia RX 50 2013 and Derbi Senda X-treme 50 SM 2009 [S]ave
| Attribute |  Derbi Senda X-treme 50 SM 2009 × |  Aprilia RX 50 2013 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2013 |
| Make | Derbi | Aprilia |
| Model | Derbi Senda X-treme 50 SM | Aprilia RX 50 |
| Category | Super motard | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. 17.5 mm | Carburettor. Dell’Orto PVHA 17.5 |
| Engine details | - | Light alloy cylinder |
| Displacement (cm³) | 49.9 | 49.9 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | - | Chain |
| Bore (mm) | 39.9 | 39.9 |
| Stroke (mm) | 40 | 40 |
| Gearbox | 6-speed | 6-speed |
| Fuel control | Single Overhead Cams (SOHC) | - |
| Emission details | - | Catalytic converter. Euro 2 |
| Driveline | - | Primary drive: Gears. Ratio: 21/78. Final drive: Chain. Ratio: 11/53 |
| Ignition | - | Electronic C.D.I |
| Clutch | - | Multi-plate |
| Lubrication system | Mechanical oil pump | Automatic mixer |
| Compression | 11.0:1 | - |
| Chassis | ||
| Front suspension | 40 mms. hydraulic fork. | 40 mm hydraulic fork with leading axle. |
| Rear suspension | Monoshock with progressive link system. | High strength steel swingarm, hydraulic monoshock. |
| Front brakes | Single disc | Single disc. Stainless steel disc; floating caliper |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 180 | 180 |
| Frame type | - | Steel beam |
| Front tyre | 80/90-21 | 90/90-21 |
| Rear tyre | 110/80-18 | 110/80-18 |
| Wheels | - | Spoked wheels with aluminium rims |
| Front wheel travel (mm) | 190 | 195 |
| Rear wheel travel (mm) | 182 | 180 |
| Other | ||
| Starter | Kick | Kick |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,355 | 1,412 |
| Dry weight (kg) | 97 | - |
| Overall length (mm) | 2,222 | 2,100 |
| Overall width (mm) | 805 | 825 |
| Seat height (mm) | 900 | 880 |
| Performance | ||
| Fuel capacity (l) | 7 | 7 |
| Oil capacity (l) | 1 | - |
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