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Surfboard Fins
Rider Shack stocks a great selection of surfboard fins from FCS and Futures. Just like surfboards, fins vary in size, shape, and style. Buying the right fin can make your surfboard feel magical while the wrong fin can make your board feel sluggish and dead. Click here to learn more about buying the right Surfboard Fins.
Need more help feel free to give us a call 877-577-4225 or send an email through our contact us page.
FCS 7" Dolphin Effect Longboard Fin
The FCS Dolphin Perfomance Core longboard fin is a great lightweight fin. This fin has a stiff carbon base with great flex through the top third of the fin. This fin will have great performance and quick response in the water. Learn More
FCS 9" Dolphin Effect Longboard Fin
The FCS Dolphin Perfomance Core longboard fin is a great lightweight fin. This fin has a stiff carbon base with great flex through the top third of the fin. This fin will have great performance and quick response in the water. Learn More
FCS JF-1 Jeremy Flores PG Surfboard Fins
FCS AM-3 Performance Core Fin Set
These FCS AM-3 Surfboard fins are the same Al Merrick fin template you have grown to love in a smaller size. These fins would be great for the lighter surfer or to loosen up a tight surfboard. These FCS fins are made from FCS' performance core material.
Performance Core
Performance Core material and construction is designed to deliver the feeling of a tradtional glass fin with the added performance of reduced weight. The result is a lightweight fin with remarkable flex, a smooth feel and an impressive aesthetic.
Learn MoreFCS GMB PC Quad Fin Set
This Quad FCS surfboard fin set is Lost's Matt Biola fin template. This is a great fin for a bigger surfer, more hold or bigger waves.
Performance Core
Performance Core material and construction is designed to deliver the feeling of a tradtional glass fin with the added performance of reduced weight. The result is a lightweight fin with remarkable flex, a smooth feel and an impressive aesthetic.
GMB
A Livley combination of projection and maneuverability from Matt Biolo's favorite templates refined with feedback from his lost team riders.
Base: 4.41" 112.0mm
Depth: 4.74" 120.0mm
Area: 15.26" 9847mm
Sweep: 32.9 degrees
Flex Rating: 1
Size: L
Learn MoreFCS Lost GMB Performance Core Thruster Fins
This FCS surfboard fin set is Lost's Matt Biola fin template. This is a great fin for a bigger surfer, more hold or bigger waves.
Performance Core
Performance Core material and construction is designed to deliver the feeling of a tradtional glass fin with the added performance of reduced weight. The result is a lightweight fin with remarkable flex, a smooth feel and an impressive aesthetic.
GMB
A Livley combination of projection and maneuverability from Matt Biolo's favorite templates refined with feedback from his lost team riders.
Base: 4.41" 112.0mm
Depth: 4.74" 120.0mm
Area: 15.26" 9847mm
Sweep: 32.9 degrees
Flex Rating: 1
Size: L
Learn More












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