Comparison of Aprilia SR 50 R Replica SBK 2012 and Derbi GPR 50 Racing 2009 [S]ave
| Attribute |  Derbi GPR 50 Racing 2009 × |  Aprilia SR 50 R Replica SBK 2012 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2012 |
| Make | Derbi | Aprilia |
| Model | Derbi GPR 50 Racing | Aprilia SR 50 R Replica SBK |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor. Dell’Orto PHVA 17.5 |
| Engine details | - | Reed valve |
| Displacement (cm³) | 49 | 49 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Belt |
| Bore (mm) | 39.9 | 40 |
| Stroke (mm) | 40 | 39.3 |
| Gearbox | 6-speed | Automatic |
| Ignition | - | CDI |
| Clutch | Multi-disc | Automatic centrifugal dry clutch |
| Lubrication system | - | Separate mixing with mechanical oil pump |
| Compression | 11.5:1 | 12.1:1 |
| Chassis | ||
| Front suspension | 40 mm upside-down fork. | Hydraulic fork |
| Rear suspension | Monoshock. | Engine unit acting as swingarm; frame linkages on two radial silent block mountings. |
| Front brakes | Single disc | Single disc. Stainless steel disc; racing caliper with twin opposed 32 mm pistons. |
| Rear brakes | Single disc | Single disc. Stainless steel disc; racing caliper with twin opposed 30 mm pistons. |
| Diameter (mm) | 180 | 190 |
| Frame type | - | Split single cradle frame in high tensile strength steel tube |
| Front tyre | 100/80-17 | 130/60-13 |
| Rear tyre | 130/70-17 | 130/60-13 |
| Wheels | - | Five spoke, light alloy |
| Front wheel travel (mm) | 110 | 90 |
| Rear wheel travel (mm) | 110 | 70 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Electrical Voltage (V) | - | 12 |
| Dimensions | ||
| Wheelbase (mm) | 1,310 | 1,290 |
| Overall height (mm) | 1,116 | 1,120 |
| Overall length (mm) | 1,961 | 1,860 |
| Overall width (mm) | 720 | 705 |
| Seat height (mm) | 845 | 820 |
| Performance | ||
| Fuel capacity (l) | 13 | 7 |
| Oil capacity (l) | 1.5 | - |
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