Greenough 4-A Single Fin Color:purple The bottom has a single

The bottom has a single to double concave

highly durable board which will out last most other surf boards

This fin was designed by the Campbell brothers to specifically pair with their Bonzer surfboards in order to complement the unique bottom contours and fin setups of their 3 and 5 fin designs

Green resin tint

this fin lends itself to fluid and graceful surfing

Greenough 4-A Single Fin Color:purple The bottom has a singleThe Greenough 4 A Surfboard Fin a timeless classic. Its also been the most popular single fin worldwide for decadesand for good reasonits incredible functionality and versatility means itll work on just about anything. The Greenough 4 A is a truly well balanced fin. Its full base coupled with a tapering, moderately flexible tip provides a solid amount of drive off the bottom, and an acute responsiveness through arcing turns. Designed for both speed