Cantilever Trailer Suspension

https://www.zytrailerparts.com/products/cantilever-trailer-suspension/

Cantilever trailer suspension (Two wires and four axles), The torsion bar angle of the rigid suspension is reasonably designed, which reduces the instantaneous friction and sliding distance between the tire and the ground in the frequent bump running course of the vehicle, so the friction of the tire is effectively reduced and the service life of the tire is prolonged.