It is also divided into American external brake drum, built-in brake drum, spoke wheel axle. The wheel base of the axle can be customized according to customers, and ABS braking system can also be assembled according to needs.A tandem axle is essentially two axles placed side by side, each with its own set of wheels. This design provides added support and stability, allowing the trailer to manage heavier loads and providing improved braking and handling capacity. Additionally, tandem axles distribute the weight of the load more evenly, reducing the stress and wear on the tires and other parts of the trailer