Bead wire is a bronze-plated wire with a diameter of approximately φ1.0–2.0 mm. It is wound around the tire–wheel interface in the circumferential direction and helps prevent tire detachment from the wheel and air leakage.
End-product applications
Steel radial tires (for passenger cars, trucks, buses, and so on)
Tires for aircraft
Tires for racing two-wheelers (for motorcycles, bicycles, and so on)