SuperSprings International Sumosprings - progressive compression w/full memory rear suspension enhancer

They bolt to the frame above the spring pack and the bottom bracket attachs to the spring pack. They will increase the capacity adding by constant heavy loads. Additionally they reduce side-to-side body roll . SumoSprings are produced from microcellular urethane utilizing closed cell technology. This materials progressive spring rate creates a cushion effect providing smooth engagement and a comfortable ride. The shapes, sizes and density of the proprietary microcellular urethane material are modified to suit different load bearing and sway controlling applications. After installation SumoSpring require no adjustment and there is no modification to any original equipment leaving all factory warranty’s intact. All SumoSprings are completely maintenance free.