Comparison of Aprilia RX 50 2011 and Kuberg Trex [S]ave
| Attribute |  Aprilia RX 50 2011 × |  Kuberg Trex × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2014 |
| Make | Aprilia | Kuberg |
| Model | Aprilia RX 50 | Kuberg Trex |
| Category | Enduro / offroad | Trial |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Electric |
| Fuel system | Carburettor. DELL’ORTO PVHA 17.5 | - |
| Engine details | Light alloy cylinder | Brushless DC |
| Displacement (cm³) | 49.9 | - |
| Power (kw) | - | 4.9 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | - | 16 |
| Bore (mm) | 39.9 | - |
| Stroke (mm) | 40 | - |
| Gearbox | 6-speed | Automatic |
| Driveline | Primary drive: Gears. Ratio: 21/78. Final drive: Chain. Ratio: 11/53 | - |
| Ignition | Electronic C.D.I | - |
| Clutch | Multi-plate | - |
| Lubrication system | Automatic mixer | - |
| Exhaust system | Catalytic converter | - |
| Chassis | ||
| Front suspension | 40 mm hydraulic fork with leading axle. | Hydraulic telescopic fork Ø40 mm with settings. |
| Rear suspension | High strength steel swingarm | Steel swingarm, progressive linkage system, single adjustable shock absorber. |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 180 | 150 |
| Frame type | Steel beam | Perimetric 25CD4S steel |
| Front tyre | 90/90-21 | 1.60-21 |
| Rear tyre | 110/80-18 | 2.15-18 |
| Wheels | Spoked wheels with aluminium rim | - |
| Front wheel travel (mm) | 195 | 175 |
| Rear wheel travel (mm) | 180 | 170 |
| Other | ||
| Starter | Kick | - |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,406 | 1,370 |
| Dry weight (kg) | - | 67 |
| Power/weight ratio | - | 0.0731 |
| Overall length (mm) | 2,045 | 2,060 |
| Seat height (mm) | 830 | 710 |
| Performance | ||
| Top speed (km/h) | - | 55 |
| Fuel capacity (l) | 7 | - |
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