- Longboard
Excelent
Excelent product
MF Glass Fibre Fusion
Fin Comparison Tool
What's Underwater Matters
FIN COMPARISON TOOL
MF Glass Fibre Fusion
The latest tech from FCS
Fin Comparison Tool
Get the surf shop experience, online.
FCS Traction
Variety of Unique Pad Shapes
Gorilla Grip
Still Gripping Stuff
What's Underwater Matters
FCS CFD Testing
FIN COMPARISON TOOL
Get the surf shop experience, online.
MF Glass Fibre Fusion
Fin Comparison Tool
What's Underwater Matters
FIN COMPARISON TOOL
Overview
Neutral, well balanced template.
Versatile, high performance Longboard (LB) fin for all conditions.
Offers a combination of drive, speed and response for modern longboarding.
Turn and Connect: Seamlessly connect turns and move up and down the board.
2 + 1 Compatible.
Glass Flex
Glass Flex (GF) fins are molded from engineering grade polymer. The flex of these fins has been designed to help novice surfers maintain speed and acceleration as they learn to execute turns and maneuvers.
The FCS II Tool-Less Longboard System

| Fin |
Base (inches) |
Base (mm) |
Depth (inches) |
Depth (mm) |
Area (inches) |
Area (mm) |
Sweep Deg° |
Foil |
| 6” | 4.27 | 108.5 | 6.00 | 152.4 | 17.65 | 11390 | 33.7 | 50/50 |
| 7" | 4.99 |
126.6 | 7.01 | 177.9 | 24.05 | 15518 | 33.7 | 50/50 |
| 8" | 5.64 | 143.1 | 7.96 | 202.0 | 30.71 | 19812 | 33.7 | 50/50 |
| 9" | 6.43 | 163.1 | 9.03 | 229.2 | 39.91 | 25748 | 33.7 | 50/50 |
| 10" | 7.13 | 180.9 | 10.01 | 254.1 | 49.06 | 31653 | 33.7 | 50/50 |
View the FCS Fin Data page for Base/Depth/Area/Foil information.

Excelent product
Great find n good service
It is what it is GREAT
It's the perfect choice for1-4' surf!
Goes great
Hi, it looks like you are in . Would you like to go to your local store?