
FCS II Connect Side Byte Fins (SML / Glass Flex / Black)
Side byte set designed for 2+1 setups on longboards and SUP's. Performance Material Size Overview Two Quad Rear Side Byte fins designed to add speed, stability…
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
- 500 g
- Material
- fiberglass
- Construction
- Glass Flex
About this fin
Side byte set designed for 2+1 setups on longboards and SUP's. Performance Material Size Overview Two Quad Rear Side Byte fins designed to add speed, stability and control to any 2 + 1 set up. Elongated template with high degree of sweep provides exceptional hold off the bottom and when carving on the open face. Ideal for power surfers who like to push hard against their fins and draw out their turns. Ideal Conditions Open face, down-the-line waves, particularly good in point and reef breaks. Board Types Designed to fit the FCS II Fin System. Suitable for longboards, SUP's or as shortboard quad rears. 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. X-SMALL (Under 55Kg / 120 Lbs) SMALL (55Kg - 70Kg / 120 - 155 Lbs) MEDIUM (65Kg - 80Kg / 145 - 175 Lbs) LARGE (75Kg - 90Kg / 165 - 200 Lbs) X-LARGE (Over 85Kg / 190 Lbs) 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

FCS II Flow Screw & Plate Longboard Fin (9.5" / Performance Glass / Mango)
fcs 2
Drive hard off the bottom and perform controlled flowing turns. Performance Design Size Overview Drive hard off the bottom and perform controlled flowing turns…

FCS II Connect Longboard Fin Sale (8" / Eco Neo Glass / Iceberg Green)
fcs 2
Final Sale – No Returns Versatile, high performance fin. Connect turns and move up and down the board, now constructed in Neo Glass Eco bio-resin. Performance…

Tiller 9" (Default Title)
longboard us-box
The Tiller 9” is a modern spin on a classic favorite. With a large base for holding your line and a thinned tip for added responsiveness from rail to rail, the…
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