| MODEL | NSU RACE FOX, DOLPHIN 1954 |
| Year | 1954 |
| Engine Type | Single cylinder, upright-shaft (double overhead camshaft) |
| Displacement / Capacity | 124 cc / 7.6 cu in |
| Bore X Stroke | — |
| Compression Ratio | — |
| Cooling System | Air cooled |
| Max Power | 13.2 kW / 18 hp @ 11000 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | — |
| Start System | Kick start |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | — |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | — |
| Rear Brakes | — |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | 177 km/h / 110 mph (depending on gearing) |
The Rennfox was NSU's 125 cc grand prix racer, which took the world and German titles in 1953 and was developed further in 1954. A single-cylinder with shaft-driven overhead cams, it was a pure racing machine rather than a road bike.
