Comparison of Aprilia SR 50 Factory 2021 and Derbi Atlantis City 50 2T 2009 [S]ave
| Attribute |  Aprilia SR 50 Factory 2021 × |  Derbi Atlantis City 50 2T 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2021 | 2009 |
| Make | Aprilia | Derbi |
| Model | Aprilia SR 50 Factory | Derbi Atlantis City 50 2T |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor. 17.5 mm |
| Engine details | Hi-Per 2 Pro engine | - |
| Displacement (cm³) | 49 | 49.4 |
| Power (kw) | 2.9 | - |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 4 | - |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.3 |
| Gearbox | Automatic | Automatic |
| Emission details | Euro 4 | - |
| Driveline | Gears in oil bath final drive | - |
| Ignition | CDI | C.D.I. |
| Clutch | Automatic centrifugal dry clutch | Automated |
| Lubrication system | Separate mixing with mechanical oil pump | Separate mixing with mechanical oil pump |
| Compression | 12.1:1 | 10.5:1 |
| Chassis | ||
| Front suspension | Telescopic hydraulic fork | 37 hydraulic fork. |
| Rear suspension | Engine unit acting as swingarm. Monoshock. | Monoshock. |
| Front brakes | Single disc. 2 opposing pistons | Single disc |
| Rear brakes | Single disc. 2 opposing pistons | Expanding brake (drum brake) |
| Diameter (mm) | 190 | 110 |
| Frame type | Split single cradle frame in high tensile strength steel tube | - |
| Front tyre | 130/60-13 | 120/70-12 |
| Rear tyre | 130/60-13 | 120/70-12 |
| Wheels | Five spoke, light alloy wheels | - |
| Front wheel travel (mm) | 90 | 130 |
| Rear wheel travel (mm) | 70 | 65 |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
|
|
| Carrying capacity | Helmet compartment. | - |
| Light | Dual halogen headlights | - |
| Instruments | Active matrix instrument panel | - |
| Dimensions | ||
| Wheelbase (mm) | 1,260 | 1,265 |
| Dry weight (kg) | 107 | 86 |
| Power/weight ratio | 0.0271 | - |
| Overall height (mm) | 1,120 | 1,115 |
| Overall length (mm) | 1,860 | 1,810 |
| Overall width (mm) | 705 | 675 |
| Seat height (mm) | 795 | 790 |
| Performance | ||
| Top speed (km/h) | 45 | - |
| Reserve fuel capacity (l) | 1.2 | 1.5 |
| Fuel capacity (l) | 7.6 | 7.1 |
| Oil capacity (l) | - | 1.5 |
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