Comparison of Aprilia SR R 50 and Derbi Atlantis Bullet 2004 [S]ave
| Attribute |  Aprilia SR R 50 × |  Derbi Atlantis Bullet 2004 × |
|---|---|---|
| General | ||
| Production from (year) | 2021 | 2004 |
| Make | Aprilia | Derbi |
| Model | Aprilia SR R 50 | Derbi Atlantis Bullet |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Engine details | Hi-Per 2 Pro engine | - |
| Displacement (cm³) | 49 | 49.9 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Belt | - |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.3 |
| Gearbox | Automatic | - |
| Emission details | Euro 4 | - |
| Driveline | Gears in oil bath final drive | - |
| Ignition | CDI | - |
| Clutch | Automatic centrifugal dry clutch | - |
| Lubrication system | Separate mixing with mechanical oil pump | - |
| Compression | 12.1:1 | 10.5:1 |
| Chassis | ||
| Front suspension | Telescopic hydraulic fork | Hydraulic fork, 25 mm |
| Rear suspension | Engine unit acting as swingarm. Monoshock. | Mono shock |
| 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 | 65 |
| Rear wheel travel (mm) | 70 | 60 |
| Other | ||
| Starter | Electric | - |
| Color options |
|
|
| Carrying capacity | Helmet compartment. | - |
| Light | Dual halogen headlights | - |
| Instruments | Active matrix instrument panel | - |
| Dimensions | ||
| Wheelbase (mm) | 1,290 | 1,265 |
| Overall height (mm) | 1,120 | 1,115 |
| Overall length (mm) | 1,860 | 1,810 |
| Overall width (mm) | 705 | 675 |
| Seat height (mm) | 795 | 795 |
| Performance | ||
| Reserve fuel capacity (l) | 1.2 | - |
| Fuel capacity (l) | 7 | 7 |
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