A tyre is a rubber covering that fits around the wheel of a vehicle, providing traction and support. It is designed to absorb shocks from the road and improve the vehicle's handling and stability. Tyres come in various types, including radial and bias-ply, each suited for different driving conditions and vehicles. Tyres are essential for safety and performance, as they affect braking, acceleration, and fuel efficiency. They are typically filled with air, but some vehicles use solid tyres or run-flat tyres that can operate even when punctured. Regular maintenance, such as checking tread depth and air pressure, is crucial for optimal performance.