True Ames 8.5" Greenough 4A - Sandbar

True Ames Greenough 4A Fin – Legendary Flow & Drive At Seaside Surf Shop, the True Ames Greenough 4A Fin stands out as a must-have for surfers chasing smooth, controlled, and powerful turns. Designed by surf innovator George Greenough, the 4A template has become a benchmark in single fin performance, blending classic feel with functional, high-speed capability. The Greenough 4A features a balanced, raked outline with a flexible tip that allows for fluid rail-to-rail transitions and drawn-out carving turns. It provides excellent hold through critical sections while maintaining release and projection when you push harder off the bottom. Why the Greenough 4A Works Raked template for long, controlled arcs and down-the-line speed Flexible tip adds spring and responsiveness through turns Solid base delivers drive and stability in a variety of conditions Versatile design works across longboards, midlengths, and 2+1 setups Conditions & Performance Perfect for the diverse waves around the Oregon coast, the 4A excels in: Clean point waves and lined-up surf Punchy beach breaks Waist-high cruisers to overhead walls It helps you maintain speed through softer sections while still holding strong when the wave steepens. Ideal Setup The Greenough 4A is best suited for: Single fin longboards Midlengths 2+1 setups (as a center fin) Pair it with smaller side bites for added control or ride it solo for pure, flowing lines. Why Buy from Seaside Surf Shop? We know how much fins matter — especially in cold, shifting conditions. At Seaside Surf Shop, we’ll help you choose the right size and setup so your board feels fast, responsive, and perfectly tuned to your style. The Greenough 4A isn’t just a fin, it’s a timeless design that transforms how your board rides.