| MODEL | AERMACCHI ALA BIANCA 175 1957 |
| Year | 1957 |
| Engine Type | Single cylinder, four-stroke |
| Displacement / Capacity | 174.2 cc / 10.63 cu in |
| Bore X Stroke | 60.0 x 61.0 mm / 2.4 x 2.4 in |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 6.9 kW / 9.4 hp @ 6500 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | Dell'Orto carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed |
| Clutch | Wet multiplate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Single cradle |
| Front Suspension | Telescopic |
| Rear Suspension | Swingarm, two shocks |
| Front Brakes | Drum, expanding |
| Rear Brakes | Drum, expanding, simplex |
| DIMENSION SPECS | |
| Overall Length | 1970 mm / 77.6 in |
| Overall Width | 600 mm / 23.6 in |
| Overall Height | 880 mm / 34.6 in |
| Seat Height | — |
| Wheelbase | 1270 mm / 50.0 in |
| Ground Clearance | — |
| Dry Weight | 110 kg / 242.5 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 2.50-17 |
| Rear Tyre | 2.75-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 17 Litres / 4.49 US gal |
| Fuel Consumption | — |
| Top Speed | 100 km/h / 62.1 mph |
The Ala Bianca 175 was Aermacchi's small four-stroke roadster, a horizontal single of 174 cc with a four-speed gearbox and a single-cradle frame. Modest in power at about 9 hp, it served as an affordable everyday sports-styled bike.
