Fuwa axles come in different sizes, although they are generally made of stronger, and durable steel. The torsion steel axle is a stronger and more durable type of fuwa axle.
Steel fuwa axles come in different sizes. Torsion-mounted fuwa axles are also called the fuwa axle because they are lighter than the fuwa axle themselves and are made of stronger grip materials. They also come in different shapes.