The 2018 Liquid Force RDX is a 3 stage rocker and is a successor of the Classic. The RDX has triax glass for torsional rigidity and there’s a blunted tip and tail for higher pop. Liquid Force also put a flexible track system for adjustability and more flex.
2018 Liquid Force RDX Wakeboard: https://www.the-house.com/wklfrdx3818zz-liquid-force-wakeboards.html
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