SP* for specific surfboard designs or as specialised fins
Base: 3.76" 96mm
Depth: 4.06" / 103mm
Area: 11.59"² / 7476mm²
Quad rear fin developed by Rusty. Broad, upright template adds substantial drive and hold to any quad set up. Suited to power surfers who like to surf tight in the pocket.
Hollow steep waves, punchy beach breaks.
Performance boards with deep concaves and moderate-to-extreme rocker.