Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

REAL Watersports

Products

Products

REAL Watersports

FCS Longboard Box Adapter

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$22.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Purchase at REAL Watersports

Description

Adapter allows you to change from a traditional longboard fin to a FCS thruster set up in seconds.

Delivery & Returns

Visit REAL Watersports for full shipping details

Shipping calculated at checkout

REAL Watersports

REAL Watersports

4.8 (126)

You might also like

REAL Watersports

FCS II Compatibility Kit

REAL Watersports

FCS II Christenson PG Tri/Quad Fin Set-Black-Large

30% off

Solite Boots

5mm Custom Pro 2.0: Our Flagship Cold-Water Boot. Barefoot Feel with Toasty Warmth

(70)

REAL Watersports

True Ames Wayne Rich Power Tilt Single Fin-Smoke

Boardriding Maui

5

(14)

Parawing bar unattached from the parawing

FCS Longboard Box White Fin Systems & Plugs FCS

Melbourne Surfboard Shop

FCS Longboard Box White

(1)

30% off

Solite Boots

5mm Custom 2.0: Lighter, Warmer, Custom Fit, Barefoot Feel

(36)

REAL Watersports

FCS II MR PC Twin + Stabilizer Fin Set-MD/LG-Black

30% off

REAL Watersports

NVS Bonzer Single Fin

REAL Watersports

NVS Vernor Futures Apex Fin Set-7" + 3.7" Side Bite

PCB Foil Co

Person wearing gloves and shoes on a Solite mat, with branding visible.

Solite Boots

Solite Lava Rubber Changing Mat

(1)

REAL Watersports

FCS II Mick Fanning PC Twin Fin Set-Black-X-Large

REAL Watersports

NVS Apex Series FCS G&S Speed Bite Fin Set

FCS FCS Longboard Box Adapter

Natural Necessity Surf Shop

FCS Longboard Box Adapter

(1)

Green Hat Kiteboarding

Green Hat Kiteboarding

5

(156)

PKS Pump Adapter for Duotone and Core

PKS Pump Adapter for Duotone and Core

Dakine Push Button Kitesurf Spreader Bar

2021 Duotone Quick Release Freeride Kit

Dakine Renegade Helmet Black

REAL Watersports

Futures Lost Trailer Fin-3.625"-Smoke

(1)

REAL Watersports

True Ames Wayne Rich Side Bites-Smoke-4.0"

REAL Watersports

FCS Thomas PG Single Fin-Flame

33% off

Solite Boots

3:2 Gauntlet Glove: Unmatched Grip, Durability, and Warmth

(23)

REAL Watersports

FCS II Power PG Twin Fin Set-Mango

Foil Cedrus

5

(13)

REAL Watersports

FCS II Harley LB PC Tri Fin Set-Black

Solite Boots

5:3 Gauntlet Glove: 5-Finger Comfort and Grip in the Coldest Conditions

(4)

REAL Watersports

Kaohi Double Coil Ankle Leash-Red-6' x 8mm

43% off

houstonkiteboarding

Mystic Clickerbar 5.0 Spreader Bar

Florence Marine X

Florence Marine X

Florence Marine X

4.8

(13.6K)

Color:Mountain Camo-Florence Cordura® Airtex Boardshort

Color:Mountain Camo-Florence Cordura® Airtex Boardshort

Color:Black-Florence Marine X Long Sleeve Hooded Rashguard

Color:Storm-Florence Airtex 2-in-1 Boardshort

Color:Slate Camo-Airtex Gamma Boardshort

FCS Longboard Box Adapter

FCS US

FCS Longboard Box Adapter

(6)

Solite Boots

Knit Split-Toe Heat Booster Socks: Enhanced Warmth, Comfort, and Easy On-Off

(39)

REAL Watersports

FCS II Mid Side Byte PG Fin Set-Clear-3.6"

REAL Watersports

FCS Christenson PG Single Fin-Black-7.5"

30% off

Solite Boots

3mm Custom Pro 2.0: Our Flagship Custom-Fit Surf Boot

(108)

Foil Drive Americas Inc

Foil Drive Americas Inc

30% off

REAL Watersports

FCS II Town & Country PG Twin + Stabiliser Fin-Yellow Fade-X-Large

REAL Watersports

NVS Mako Apex Single Fin-Black

REAL Watersports

FCS II Harley PC Quad Fin Set-Black-XX-Large

35% off

Solite Boots

2:2 Gauntlet Glove: Perfect Grip and Warmth for Chilly Days

(16)

Walden Surfboards

FCS II Connect tool-less Fins GF

REAL Watersports

FCS Christenson PG Single Fin-Black-8"

REAL Watersports

Futures Performance Single Fin-Smoke/Grey-4.5"

Soccer training basics

Soccer training basics

Pop-up goals, balls, and agility ladders.

REAL Watersports

FCS Carver Side Byte/Quad Rear PG Fin Set-Black-Small

REAL Watersports

Futures Performance Single Fin-Black/Grey-6"

REAL Watersports

Channel Islands Mid 2+1 Fin Set-3.6"

30% off

Solite Boots

8mm Custom 2.0: Barefoot Feel in the Coldest Conditions

(25)

31% off

Solite Boots

8mm Custom Fire 2.0: Barefoot Feel in the Coldest Conditions

(49)

houstonkiteboarding

4.8

(73)

REAL Watersports

True Ames Justin Quintal Cutty Fiberglass Single Fin-Blue

Surf Station Store

FCS II Connect Glass Flex 7.0" Longboard Fin - Black

Solite Boots

3:2 Wind/Paddle Gauntlet Glove: Effortless Grip and Zero Arm-Pump

(8)

REAL Watersports

Kaohi Double Coil Ankle Leash-Blue-6' x 8mm

REAL Watersports

FCS Christenson Mid Tracker PG Single Fin-Black

Solite Boots

Thermal-Rebound 1mm Neoprene Round-Toe Heat Booster Socks: Add Warmth to Any Round Toe Boots

(8)

REAL Watersports

FCS MR Freeride PG Twin Fin Set-Blue/Red/White

Campus commuter gear

Campus commuter gear

Locks, panniers, lights, and rain shells.

REAL Watersports

FCS JS Power PG Twin Fin Set-Black/White

Solite Boots

4:3 Wind/Paddle Split-Mitt: Effortless Grip for Longer Sessions

(10)

REAL Watersports

FCS Knubster Center Keel Fin-Black

REAL Watersports

FCS II Power Twin+1 PG Clear Center Fin-SM/MD

REAL Watersports

FCS II KA PC Tri Fin Set-Black/Acid-Small

Windance

Windance

Windance

4.8

(59)

Solite Boots

6:4 Split-Mitt: Mitten Warmth with Glove Dexterity

(12)

REAL Watersports

True Ames Skip Frye Single Fin

REAL Watersports

FCS Accelerator PC Carbon Tri Fin Set-Black/Red-Medium

Solite Boots

Thermal-Rebound 1mm Neoprene Split-Toe Heat Booster Socks: Add Warmth to Any Boots

(9)

REAL Watersports

FCS II MR78 PG Twin Fin Set-Sunset-XL

REAL Watersports

True Ames FCS Side Bite-Clear-3.25"

FCS II Harley Ingleby Longboard Tri Fin Set Black - SHOP SURF ACC. - [Surfboards Surf Shop and Clothing Boutique Honolulu]

Hawaiian South Shore

FCS II THRUSTER Harley Ingleby Longboard Black

(4)

Backyard golf training

Backyard golf training

Practice nets, hitting mats, and putting mats.

REAL Watersports

FCS Simple Patch Repair Patch Large - PU

REAL Watersports

True Ames Greenough Stage III Fiberglass Single Fin-Orange

FCS Longboard Single Fin Box Adapter 1

Cleanline Surf

FCS Longboard Single Fin Box Adapter

39% off

FCS US

FCS II Connect Longboard Fin Sale

(1)

Solite Boots

2mm Custom Reef 2.0: Barefoot Board-feel with Bulletproof Protection

(61)

Solite Boots

Solite Boots

Solite Boots

4.4

(998)