
FCS II Flow Screw & Plate Longboard Fin (10.5" / Performance Glass / Mango)
Drive hard off the bottom and perform controlled flowing turns. Performance Design Size Overview Drive hard off the bottom and perform controlled flowing turns…
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
- fcs-2
- Foil
- —
- Rake
- —
- Base
- —
- Depth
- —
- Area
- —
- Weight
- —
- Material
- fiberglass
- Construction
- Performance Glass
About this fin
Drive hard off the bottom and perform controlled flowing turns. Performance Design Size Overview Drive hard off the bottom and perform controlled flowing turns. Neutral fin with elongated base. Provides excess drive and hold for longer turns and trim stability. Suited to a more laid-back style of longboarding. Designed to be used as a single fin. Performance Glass (PG) fins are machine cut from layers of solid fibreglass. These fins are stiff and are widely used by pro-level surfers because the integrity of the flex is maintained under immense force, and in the most extreme of conditions and situations. Wide base, thin tapered tip Longer turns, trim stability Plate & screw fastening. Performance Glass Performance Glass (PG) fins are machine cut from layers of solid fibreglass. These fins are stiff and are widely used by pro-level surfers because the integrity of the flex is maintained under immense force, and in the most extreme of conditions and situations. Fin Base (inches) Base (mm) Depth (inches) Depth (mm) Area (inches) Area (mm) Sweep Deg° Foil 8.5" 6.42 162.9 8.50 215.7 30.91 19944 33.1° 50/50 9.5" 7.17 182.1 9.50 241.2 38.64 24928 33.1° 50/50 10.5" 7.96 202.0 10.54 267.5 47.53 30667 33.7° 50/50 View the FCS Fin Data page for Base/Depth/Area/Foil information.
New to longboard setups?
Learn how foil, rake, and family choice shape the way a board rides.
More longboard options

Wayne Rich Power (9.5 / smoke)
longboard us-box
The Wayne Rich Power will perform exactly as it sounds–it’s a true powerhouse for your surfboard. Coming hard off the bottom, building speed, and harnessing in…

Greenough High Speed (Volan) (8.5)
longboard us-box
The Greenough High Speed excels as its name implies –at high speeds . It is perhaps one of the truest examples of George Greenough’s revolutionary high-aspect…

Yater Classic (6.5 / smoke)
longboard us-box
Master craftsman and pioneer of the shaping industry, Renny Yater, designed this fin to accompany his high-performance single fin known as ‘The Pocket Rocket’,…
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.
Start a Custom Order