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Aermacchi Ala Bianca 175
1957Sportbike

Aermacchi Ala Bianca 175

Key specifications

Engine
174 cc
Power
9 HP
Weight
110 kg
Fuel type
petrol
Fuel capacity
4.5 L
Transmission
4-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake). Simplex

Overview

Introducing the 1957 Aermacchi Ala Bianca 175, a charming vintage motorcycle that perfectly captures the spirit of the late 1950s Italian sport bikes. Aermacchi, known for its innovative engineering and distinctive designs, positioned the Ala Bianca 175 as an accessible yet thrilling entry into the world of motorcycling. With its sleek lines and sporty aesthetic, this model appealed to both novice riders and experienced enthusiasts alike, offering a delightful blend of performance and style that has continued to resonate with collectors and vintage bike lovers to this day. At the heart of the Ala Bianca 175 lies a spirited 174.20 cc single-cylinder, four-stroke engine that churns out 9.40 horsepower at 6,500 RPM. This powerplant may seem modest by today’s standards, but it delivers an exhilarating riding experience thanks to its lightweight design and responsive performance. With a top speed of 100 km/h (62.1 mph), the Ala Bianca is not just about cruising; it invites spirited acceleration and nimble handling, making it a joy to navigate twisty roads. The 4-speed gearbox, combined with a wet multiplate clutch, ensures smooth shifts while the air-cooled engine runs reliably even during spirited rides. The Aermacchi Ala Bianca 175 is not just about performance; it’s also equipped with features that enhance both comfort and control. The single cradle frame provides a solid foundation, while the telescopic front suspension and dual-shock swingarm rear suspension work in harmony to absorb bumps for a smooth ride. Stopping power is delivered by reliable drum brakes at both the front and rear, further instilling confidence in riders. Practicality doesn’t take a backseat, either, with a fuel capacity of 17 liters (4.49 gallons) that allows for ample mileage on long rides. With its agile dimensions—measuring 1,970 mm in length and weighing in at just 110 kg (242.5 pounds)—the Ala Bianca is perfectly suited for urban commuting or weekend excursions. **

Pros

  • Lightweight and Nimble: Weighing only 110 kg, this motorcycle is exceptionally easy to handle, making it ideal for both novice and experienced riders.
  • Classic Italian Design: The retro aesthetic and sleek lines of the Ala Bianca 175 are sure to turn heads, adding a touch of vintage charm to any ride.
  • Engaging Riding Experience: The combination of a responsive engine and smooth gearbox provides an exhilarating ride, perfect for tackling winding roads.

Cons

  • Limited Power Output: With just 9.40 HP, it may struggle in high-speed situations or against modern traffic demands.
  • Drum Brakes: While reliable, the drum brakes may not offer the same stopping power as modern disc brakes, especially in emergency situations.
  • Kick Start Only: The absence of an electric starter may deter some riders who prefer the convenience of modern starting systems.

Technical details

Source specification data

Make
Aermacchi
Model
Ala Bianca 175
Category
Sport
Starter
Kick
Power
9.40 HP (6.9 kW)) @ 6500 RPM
Clutch
Wet multiplate
Gearbox
4-speed
Top Speed
100.0 km/h (62.1 mph)
Fuel System
Carburettor. DellÓrto
Bore X Stroke
60.0 x 61.0 mm (2.4 x 2.4 inches)
Displacement
174.20 ccm (10.63 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, four-stroke
Lubrication System
Bobine
Transmission Type Final Drive
Chain
Dry Weight
110.0 kg (242.5 pounds)
Fuel Capacity
17.00 litres (4.49 gallons)
Overall Width
600 mm (23.6 inches)
Overall Height
880 mm (34.6 inches)
Overall Length
1,970 mm (77.6 inches)
Power Weight Ratio
0.0855 HP/kg
Seat
Dual
Wheels
Spoked
Rear Tyre
2.75-17
Frame Type
Single cradle
Front Tyre
2.50-17
Rear Brakes
Expanding brake (drum brake). Simplex
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Swingarm-two shocks
Front Suspension
Telescopic