Greenough 4-A Volan Fin Size:10 flexing and twisting back and

flexing and twisting back and forth creating propulsion based on direction and angle of attack

There is a reason this is the most iconic

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88 Surfboards

Greenough 4-A Volan Fin Size:10 flexing and twisting back andThere is a reason this is the most iconic, functional and versatile single fin available it works on just about anything! The Greenough 4 A has been our bread and butter for close to 40 years now, and is still the most popular single fin design there is. A truly well balanced fin the full base coupled with the tapering, moderately flexible tip provides a solid amount of drive off the bottom, and an acute responsiveness through arcing turns. Designed