Comparison of Aprilia RX 50 Factory 2021 and Derbi Senda X-Treme 50 R 2019 [S]ave
| Attribute |  Aprilia RX 50 Factory 2021 × |  Derbi Senda X-Treme 50 R 2019 × |
|---|---|---|
| General | ||
| Production from (year) | 2021 | 2019 |
| Make | Aprilia | Derbi |
| Model | Aprilia RX 50 Factory | Derbi Senda X-Treme 50 R |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell’Orto PHVA 17.5 | Carburettor. 17.5 mm |
| Engine details | Light alloy cylinder | - |
| Displacement (cm³) | 50 | 50 |
| Fuel consumption (l/100km) | 2.96 | - |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 39.9 | 39.9 |
| Stroke (mm) | 40 | 40 |
| Gearbox | 6-speed | 6-speed |
| Greenhouse gases | 68.7 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Emission details | Euro 4 | Euro 4 |
| Ignition | Electronic with CDI capacity discharge | CDI |
| Clutch | Multiplate wet clutch | Wet Multiplate |
| Lubrication system | Automatic mixer | Oil pump |
| Compression | 11.5:1 | 11.5:1 |
| Chassis | ||
| Front suspension | Upside down fork with Ø 41 mm stanchions | Telescopic hydraulic fork with Ø 37 mm stanchions, |
| Rear suspension | Aluminium alloy swingarm, mono shock absorber with progressive link system | Swingarm in high resistance steel. Hydraulic monoshock absorbe |
| Front brakes | Single disc. Stainless steel disc with floating calliper | Single disc. Dual piston floating calliper |
| Rear brakes | Single disc. Stainless steel disc with floating calliper | Single disc |
| Diameter (mm) | 220 | 220 |
| Frame type | Twin - tube steel | Single spar steel frame |
| Front tyre | 80/90-21 | 80/90-21 |
| Rear tyre | 110/80-18 | 110/80-18 |
| Wheels | Radial rims with aluminium channel | - |
| Front wheel travel (mm) | 240 | 195 |
| Rear wheel travel (mm) | 200 | 182 |
| Other | ||
| Starter | Kick | Kick |
| Color options |
|
|
| Electrical Voltage (V) | - | 12 |
| Dimensions | ||
| Wheelbase (mm) | 1,395 | 1,365 |
| Kerb weight (kg) | 104 | 99 |
| Overall length (mm) | 2,105 | 2,070 |
| Overall width (mm) | 840 | 830 |
| Seat height (mm) | 880 | 880 |
| Performance | ||
| Reserve fuel capacity (l) | - | 1 |
| Fuel capacity (l) | 7 | 7 |
| Oil capacity (l) | - | 1 |
| Battery capacity (Ah) | - | 4 |
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