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Home/Fins/True Ames/Greenough 4-A (10.5 / blue)
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Greenough 4-A (10.5 / blue)

The 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 sur…

$113.00
Ships in 3–5 business days

Adds to your Lundquist cart. Mix with boards and accessories — single Stripe checkout. Ships in 3–5 business days after a Lundquist QC pass.

Specs

Fin box
longboard-us-box
Foil
Rake
Base
Depth
Area
Weight
227 g
Material
fiberglass
Construction
Solid Fiberglass

About this fin

The 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.

New to longboard setups?

Learn how foil, rake, and family choice shape the way a board rides.

Read the Fin Guide

Pair this fin with a Lundquist board

Every Lundquist board is built to your spec. Tell Blake what you’re after and he’ll dial in the fin recommendation with the shape.

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