HADLEY 2x56cm Air Horn Set – Chrome, Round, with String Valve | Classic Sound, Reliable Design

The 56 cm HADLEY round air horn set is ideal for truck, bus, and special vehicle drivers who value a crisp sound, durability, and aesthetically pleasing design . The horns are made of chrome-plated zinc , providing an elegant shine and weather resistance.

Thanks to the cord-operated valve , the kit allows for manual activation of the signal, which is suitable for classic vehicles and those where independence from the electrical system is preferred. The kit includes all necessary components for installation.

Why is it worth it:

• Classic, round HADLEY design – elegance and recognizable style

• Chrome finish – durability and corrosion resistance

• Two 56 cm signals – powerful and loud sound

• Drawstring valve – traditional, reliable operation

• Complete set of mounting accessories – ready-to-install kit

Technical specifications:

• Material: zinc with chrome finish

• Signal length: 2× 56 cm (22")

• Diameter: 12.5 cm (4.9")

• Pneumatic connection: M12 metric thread

The set includes:

• 2× HADLEY signals 56 cm

• Drawstring valve (manual)

• Pneumatic hoses

• Connectors

• Assembly kit: screws, rivet nuts, reductions

• Signal mounting brackets

Application:

Trucks, buses, show and specialist vehicles – wherever sound matters .