



Greenough 4-A (10 / red)
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…
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?
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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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