Skip to content
  • 💳 Get the latest styles for less with our big sale on new arrivals! 💳
  • 💳 Get the latest styles for less with our big sale on new arrivals! 💳
Airush shopAirush shop
  • Menu
    • No products in the basket.

      Return to shop

  • Basket

    No products in the basket.

    Return to shop

  • Boards
    • Starboard
    • Goya
    • STX
    • Severne
    • RRD
    • Naish
    • Red Paddle Co
    • Fanatic
  • Sails
    • Severne Sails
    • Ezzy Sails
    • Duotone Sails
    • Naish Sails
    • Simmer Sails
    • Goya Sails
    • Neil Pryde Sails
  • Masts
    • Severne Masts
    • Ezzy Masts
    • Tushingham Masts
    • Doutone Masts
    • Goya Masts
    • Simmer Masts
  • Kayaking
    • Accessories
    • Buoyancy Aids PFD’s
    • Kayaks
    • Paddles
  • Kitesurfing
    • Harnesses
    • Accessories
    • Boards
    • Kites
  • Accessories
    • Fins
    • UJ/ Deck Plates
    • Mast Extensions
    • Repairs
    • Mast Extension Accessories
    • Board Bags
    • Harness Lines
    • Footstraps
    • Downhaul & Rope
    • Uphauls
    • Mast Bags
    • Fin Bags
    • Quiver Bags
Home / Accessories / Fins
  • Streamlined RDM Windsurfing Mast Extension -Airush shop Streamlined RDM Mast Extension
  • Severne Wave Grenade HD Carbon Windsurfing Mast Extension 24cm+36cm -Airush shop Severne Wave Grenade HD Carbon Windsurfing Mast Extension 24cm36cm
K4 3SW Freeride Freestyle Freewave Windsurfing Power Box Fin

K4 3SW Freeride Freestyle Freewave Windsurfing Power Box Fin

£41.93

Clear
SKU: 1686196197 Categories: Accessories, Fins Tags: Fins, K4
  • Safe and Secure Payments, Always
  • Risk-Free Shopping with Returns
  • Get the quality you deserve, for less.
  • Fast and Secure Payments
Browse
  • Accessories
    • Board Bags
    • Downhaul & Rope
    • Fin Bags
    • Fins
    • Footstraps
    • Harness Lines
    • Mast Bags
    • Mast Extension Accessories
    • Mast Extensions
    • Quiver Bags
    • Repairs
    • UJ/ Deck Plates
    • Uphauls
  • Boards
    • Fanatic
    • Goya
    • Naish
    • Red Paddle Co
    • RRD
    • Severne
    • Starboard
    • STX
  • Kayaking
    • Accessories
      • Back Rests & Seats
      • Safety & Rescue
      • Spray Decks
      • Spray Tops
      • Trolleys
    • Buoyancy Aids PFD's
    • Kayaks
      • Sit In
      • Sit On Top
    • Paddles
      • Palm
      • Werner Paddles
  • Kitesurfing
    • Accessories
      • Board Bags
      • Fins
      • Hook Knives
      • KiteRepairs
      • Leashes
    • Boards
      • Airush
      • Shinn
    • Harnesses
      • Accessories
      • Dakine
      • Flying Objects
      • Ion
      • Prolimit
    • Kites
      • Airush
  • Masts
    • Doutone Masts
    • Ezzy Masts
    • Goya Masts
    • Severne Masts
    • Simmer Masts
    • Tushingham Masts
  • Sails
    • Duotone Sails
    • Ezzy Sails
    • Goya Sails
    • Naish Sails
    • Neil Pryde Sails
    • Severne Sails
    • Simmer Sails
  • Uncategorized
  • Description
  • Additional information
  • Reviews (0)

K4 3SW Freestyle Freewave Freeride Windsurfing Power Box Fin 

The 3SW freestyle-wave fin. Developed with help from the Official Test Centre Weymouth. A fin that will give you amazing speed and control, secure and loose carving on the fast flats or choppy waves. The material is K4’s ‘Super Stiff’, the ideal composite for freestyle-wave fins; great reflex, stiff enough for excellent acceleration and direct response, enough flex for speed, grip and control. The 3SW also works great in big wave boards.

 

Size

18cm, 20cm, 22cm, 24cm, 26cm, 28cm, 30cm, 32cm

Brand

K4

Construction

Plastic Composite

Fin Box Type

Power Box

Reviews

There are no reviews yet.

Be the first to review “K4 3SW Freeride Freestyle Freewave Windsurfing Power Box Fin” Cancel reply

Related products

K4 FCS Surf Assy Side Front Fin Pair
Quick View

Accessories

K4 FCS Surf Assy Side Front Fin Pair

£12.59
MFC Freewave US Box Windsurfing Fin 2014 23cm
Quick View

Accessories

MFC Freewave US Box Windsurfing Fin 2014 23cm

£62.99
K4 FCS Surf Assy Side Front Fin Pair
Quick View

Accessories

K4 FCS Surf Assy Side Front Fin Pair

£12.59
Shinn Bite Kitesurfing Twin Tip Board Fins 43mm And 53mm
Quick View

Accessories

Shinn Bite Kitesurfing Twin Tip Board Fins 43mm And 53mm

£34.99
K4 Futures Assy Pair Side Fins (x2) For Surfboard Paddleboard SUP Windsurf
Quick View

Accessories

K4 Futures Assy Pair Side Fins (x2) For Surfboard Paddleboard SUP Windsurf

£12.59
K4 Slot Box Windsurfing Blanking Plates 100mm & 130mm – Black
Quick View

Accessories

K4 Slot Box Windsurfing Blanking Plates 100mm & 130mm – Black

£1.75
Drake Shallow 41cm Tuttle Box Windsurfing Fin
Quick View

Accessories

Drake Shallow 41cm Tuttle Box Windsurfing Fin

£55.30
K4 FCS Surf Symm Side Front Fin Pair
Quick View

Accessories

K4 FCS Surf Symm Side Front Fin Pair

£12.59
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2026 © www.kitesurfingsale.com
    • Boards
      • Starboard
      • Goya
      • STX
      • Severne
      • RRD
      • Naish
      • Red Paddle Co
      • Fanatic
    • Sails
      • Severne Sails
      • Ezzy Sails
      • Duotone Sails
      • Naish Sails
      • Simmer Sails
      • Goya Sails
      • Neil Pryde Sails
    • Masts
      • Severne Masts
      • Ezzy Masts
      • Tushingham Masts
      • Doutone Masts
      • Goya Masts
      • Simmer Masts
    • Kayaking
      • Accessories
      • Buoyancy Aids PFD’s
      • Kayaks
      • Paddles
    • Kitesurfing
      • Harnesses
      • Accessories
      • Boards
      • Kites
    • Accessories
      • Fins
      • UJ/ Deck Plates
      • Mast Extensions
      • Repairs
      • Mast Extension Accessories
      • Board Bags
      • Harness Lines
      • Footstraps
      • Downhaul & Rope
      • Uphauls
      • Mast Bags
      • Fin Bags
      • Quiver Bags
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.