| Attribute | NSU Neckarsulmer 1 1-2 1912 × | Zündapp Z 22 1921 × |
|---|---|---|
| General | ||
| Production from (year) | 1912 | 1921 |
| Make | NSU | Zündapp |
| Model | NSU Neckarsulmer 1 1-2 | Zündapp Z 22 |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 243 | 211 |
| Power (kw) | 2.1 | 1.6 |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | Belt |
| Bore (mm) | 63 | 62 |
| Stroke (mm) | 78 | 70 |
| Gearbox | - | 2-speed |
| Chassis | ||
| Front suspension | - | Druid fork |
| Rear suspension | - | Rigid |
| Frame type | Steel tube | Tubular |
| Front tyre | 1.75-26 | 2.25-24 |
| Rear tyre | 1.75-26 | 2.25-24 |
| Seat | Single | Single |
| Wheels | Balloon tire | Spoked |
| Dimensions | ||
| Dry weight (kg) | 40 | 58 |
| Power/weight ratio | 0.0525 | 0.0276 |
| Performance | ||
| Top speed (km/h) | 45 | 57 |
| Fuel capacity (l) | 4 | 6 |