Greenough 4A Longboard Fin 9" Rotten Avocado Carbon / Glass with the same magic rocker

with the same magic rocker

increased durability

With a nod to George Greenough

but it’s lower

- Doped-dyed yarn

Greenough 4A Longboard Fin 9" Rotten Avocado Carbon / Glass with the same magic rockerThe Greenough 4 A Single Fin is the most iconic, functional and versatile single fin available, because it works extremely well on just about every type of surfboard. The 4 A has been True Ames' bread and butter for over 40 years now, and it is still the most popular single fin design there is due to it's all around and well balanced performance. MATERIALS & FITMENT CONSTRUCTION Solid Fiberglass FINISH Matte FITMENT Single Fin Box APPLICATION Screw +