True Ames Greenough 4-A Longboard Fin - 10" Reactor Fits 1-2 boards

Fits 1-2 boards

for people who like that release through the tail that a round tail offers

Performance shortboards and hybrid models with the FCS II Fin System

A reliable all-round quad fin set  for a diverse range of surfers

True Ames Greenough 4-A Longboard Fin - 10" Reactor Fits 1-2 boardsThe Greenough 4 A fin works in just about anything! It has been the staple fin of True Ames for the best part of 40 years and is still the most popular single fin design out there A very well balanced fin, the full base and moderately flexible tip provides the perfect balance of drive off the bottom and a sharp responsiveness through arcing turns. Designed for both speed generation and spending time surfing in the pocket, the 4 A is a fin that will