Rough roads ahead? Take 'em on with Equa-Flex, a patented rubberized equalizer that absorbs road shock instead of transferring it to RV and cargo. Equa-Flex delivers a ride that is as smooth as a torsion axle, but at a fraction of the cost. Our patented system allows the trailer to retain spring axle equalization benefits and provides the smooth ride of a torsion axle. With Equa-Flex, you're getting the best of both worlds. This product ships in approximately 1 days