Comparison of Aprilia RS 125 GP Replica 2021 and Derbi Cross City 125 2017 [S]ave
| Attribute |  Aprilia RS 125 GP Replica 2021 × |  Derbi Cross City 125 2017 × |
|---|---|---|
| General | ||
| Production from (year) | 2021 | 2017 |
| Make | Aprilia | Derbi |
| Model | Aprilia RS 125 GP Replica | Derbi Cross City 125 |
| Category | Sport | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 2 |
| Fuel system | Injection. Magneti Marelli M3G ø 32mm ECU | Carburettor. 26 mm |
| Displacement (cm³) | 124.2 | 124 |
| Power (kw) | 10.9 | - |
| Fuel consumption (l/100km) | 2.71 | - |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 10.9 | - |
| Bore (mm) | 58 | 56.5 |
| Stroke (mm) | 47 | 49.5 |
| Gearbox | 6-speed | 5-speed |
| Greenhouse gases | 62.9 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Single Overhead Cams (SOHC) |
| Emission details | Euro 4 | Euro 3 |
| Driveline | Primary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35). | Gear assembly primary drive |
| Ignition | Electronic with CDI capacity discharge | Electronic CDI |
| Clutch | Multi-plate in oil bath. | Multi-plate in oil bath |
| Lubrication system | Wet sump | Wet sump |
| Compression | 12.5:1 | 9.2:1 |
| Chassis | ||
| Front suspension | 41mm Upside down hydraulic fork | 37 mm hydraulic fork. |
| Rear suspension | Asymetric swingarm. Hydraulic monoshock with adjustable spring preload. | Mono-shock |
| Front brakes | Single disc. ABS. Stainless steel disc with radial 4 piston calliper. | Single disc |
| Rear brakes | Single disc. Single piston | Single disc |
| Diameter (mm) | 218 | 220 |
| Frame type | Aluminium perimeter | - |
| Front tyre | 100/80-R17 | 100/90-18 |
| Rear tyre | 130/70-R17 | 130/80-17 |
| Wheels | 6 split spoke wheel rim in lightweight alloy | Wire spoked |
| Front wheel travel (mm) | 110 | 130 |
| Rear wheel travel (mm) | 120 | 135 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Electrical Voltage (V) | - | 12 |
| Dimensions | ||
| Wheelbase (mm) | 1,353 | 1,384 |
| Kerb weight (kg) | 144 | 121 |
| Dry weight (kg) | 129 | 110 |
| Power/weight ratio | 0.0845 | - |
| Overall height (mm) | 1,135 | 1,085 |
| Overall length (mm) | 1,968 | 2,022 |
| Overall width (mm) | 760 | 825 |
| Seat height (mm) | 820 | 825 |
| Performance | ||
| Reserve fuel capacity (l) | 4 | 1.5 |
| Fuel capacity (l) | 14.5 | 8 |
| Battery capacity (Ah) | - | 6 |
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