The main function of the fender is to ensure the beauty of the vehicle, reduce the wind resistance and cushion the scattered impact machine, which will not affect the whole vehicle.

The material is plastic, steel plate or aluminum alloy. According to the installation position, it is divided into front fender and rear fender. The front fender is installed at the front wheel, which must ensure the maximum limit space when the front wheel rotates and jumps. Therefore, the designer will use the "Wheel Runout Diagram" to verify whether the design size of the fender is appropriate according to the selected tire model size.

Extended data:

The fender is located outside the wheel body. The function is to reduce the drag coefficient according to fluid mechanics and make the car run more smoothly. According to the installation position, it is divided into front fender and rear fender. The front fender is installed above the front wheel. Because the front wheel has steering function, it is necessary to ensure the maximum limit space when the front wheel rotates. Therefore, the designer will use the "Wheel Runout Diagram" to verify the design size of the fender according to the selected tire model size.

There is no wheel rubbing problem on the rear fender, but due to aerodynamic considerations, the rear fender is slightly arched outward.

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