Comparison of Aprilia SR 50 Street 2015 and Derbi GP1 50 2012 [S]ave
| Attribute |  Derbi GP1 50 2012 × |  Aprilia SR 50 Street 2015 × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2015 |
| Make | Derbi | Aprilia |
| Model | Derbi GP1 50 | Aprilia SR 50 Street |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. 17.5 mm | Carburettor. 17.5 mm throttle body |
| Engine details | - | Reed valve intake |
| Displacement (cm³) | 49.4 | 49 |
| Cooling system | Liquid | - |
| Transmission type,final drive | Chain | Belt |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.3 |
| Gearbox | Automatic | Automatic |
| Fuel control | Single Overhead Cams (SOHC) | - |
| Driveline | Automatic CVT | - |
| Ignition | Electronic C.D.I. | Capacitor discharge ignition |
| Clutch | Automated twist and go | - |
| Lubrication system | Separate mixing with mechanical oil pump | Separate mixing with mechanical oil pump |
| Compression | 10.5:1 | 12.1:1 |
| Chassis | ||
| Front suspension | Inverted fork | Hydraulic fork |
| Rear suspension | Aluminium swingarm with single spring-damper | Engine unit acting as swingarm, secured to the frame by linkages on radial silent block mountings. |
| Front brakes | Single disc. Radially-mounted two-piston caliper | Single disc |
| Rear brakes | Single disc. Single piston | Single disc |
| Diameter (mm) | 175 | 190 |
| Frame type | Aluminium beam frame | Split single cradle frame in high tensile strength steel tube |
| Front tyre | 120/70-14 | 130/60-13 |
| Rear tyre | 140/60-13 | 130/60-13 |
| Seat | Dual seat | - |
| Wheels | - | Five spoke light alloy wheels front and rear: 3.50 x 13´ |
| Front wheel travel (mm) | 80 | 90 |
| Rear wheel travel (mm) | 70 | 70 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Carrying capacity | - | 28 litre top box in matching paintwork or standard black finish. |
| Light | Dual head lights | - |
| Instruments | Analogue | - |
| Dimensions | ||
| Wheelbase (mm) | 1,330 | 1,290 |
| Kerb weight (kg) | 115 | - |
| Dry weight (kg) | 103 | - |
| Overall height (mm) | 1,175 | 1,200 |
| Overall length (mm) | 1,850 | 1,860 |
| Seat height (mm) | 835 | 820 |
| Performance | ||
| Fuel capacity (l) | 11 | 6.5 |
| Oil capacity (l) | 1.5 | - |
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