Trailer SumoSprings are a SumoSprings Solo air spring mounted to trailer leaf spring assemblies using unique steel brackets. The steel brackets are designed and manufactured by SuperSprings International, Inc. Their genius is in their simplicity, hugging the leaf spring assembly to hold the SumoSprings in place. As the frame lowers from weight or sway, the SumoSprings engage the frame, bearing some of the weight, limiting the load on the leaf springs.

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