| Attribute | Derbi GPR Racing 50 × | Aprilia SportCity One 125 4t 2010 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2010 |
| Make | Derbi | Aprilia |
| Model | Derbi GPR Racing 50 | Aprilia SportCity One 125 4t |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 2 |
| Fuel system | Carburettor. Dell´Orto PHVA-14 | - |
| Displacement (cm³) | 49.9 | 124 |
| Power (kw) | - | 8 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | - | Belt |
| Gearbox | 6-speed | Automatic |
| Fuel control | - | Overhead Cams (OHC) |
| Ignition | Electronic C.D.I. | Electronic inductive discharge ignition with variable advance |
| Clutch | Multidisc | Automatic centrifugal dry clutch |
| Lubrication system | - | Wet sump. Forced circulation with mechanical pump |
| Compression | 12.5:1 | 11.5:1 |
| Chassis | ||
| Front suspension | Inverted fork. | Hydraulic telescopic fork with 32 mm stanchions. |
| Rear suspension | Monoshock | Engine unit acting as swingarm. Single hydraulic shock absorber with adjustable spring preload. Wheel travel 84 mm |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 180 | 140 |
| Frame type | - | Single cradle frame in high strength steel tube |
| Front tyre | 110/80-17 | 120/70-14 |
| Rear tyre | 130/70-17 | 120/70-14 |
| Front wheel travel (mm) | 120 | 85 |
| Rear wheel travel (mm) | 110 | 84 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,355 | 1,358 |
| Overall length (mm) | 1,961 | 1,950 |
| Overall width (mm) | 788 | 740 |
| Seat height (mm) | 800 | 775 |
| Performance | ||
| Reserve fuel capacity (l) | - | 1.5 |
| Fuel capacity (l) | 13 | 7.5 |