. Load The contact area of each tyre is equivalent to the size of a hand but it can carry the weight of the vehicle and its passengers. Load Barrier 2. Shock Absorption When driving on unpaved roads, do you know what ensures a comfortable drive? Tires! Tires are formulated using 50% elastic rubber with inner air pressure serving as a shock absorption tool to help minimize bumpy rides. Load Barrier 3. Vehicle Handling, Driving Force, and Braking Power Tires are the only part of the vehicle that comes into contact with the road. When initiating, driving, braking, or parking your vehicle tires successfully help complete your command. Load Barrier 4. Steering Wheel Movement Tires communicate the controls of the driver. Steering and reversing operations are dictated by the tires.