evo.com | Ronix Wakeboard Fins > Is your board lacking oomph, energy and zazz? Upgrade those flimsy stock fins and don't look back, friend. With its super lightweight fiberglass construction, the Ronix Fin-S 2.0 Center Surf Fin creates noticeably more speed and drive throughout turn initiation to spike the adrenaline a little higher. Ultra Light Fin System Keeps your board lighter in overall weight which creates better performance. Fiberglass Thin Profile for the Least Amount of Drag with the Water Varying Sizes Available in 6 sizes for all styles of riding. 1 Center Fin | Ronix Fin-S 2.0 Center Surf Fin 2026 - 4.5" in Black Size 4.5