Skip to content
  • 💳 Get more for less with our low-price sale! 💳
  • 💳 Get more for less with our low-price sale! 💳
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
  • Dakine Core Contour Windsurfing Footstraps -Airush shop Dakine Core Contour
  • Red Paddle Co. Red Paddle Co US Box SUP / Windsurfing Fin -Airush shop Red Paddle Co US Box Windsurfing Fin 1
K4 Shark Slot Box Paddleboard, SUP, Windsurfing Fins

K4 Shark Slot Box Paddleboard, SUP, Windsurfing Fins

£15.75

Clear
SKU: 1686196156 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 Shark Slot Box Paddleboard, SUP, Windsurfing Fins

K4 fins have created a unique and new material for windsurfing. OptoFlex is a molded resin long fibre matrix that has been carefully manipulated to provide the perfect flex patterns for windsurfing. Our K4 technicians took a long time to create the perfect material with the qualities needed to provide the performance we now appreciate. Lighter, snappier and with outstanding flex memory

Sold as a pair but if you would like a single for £11.25  just ask. 

Size

8cm, 10cm, 12cm

Brand

K4

Fin Box Type

Slot Box

Reviews

There are no reviews yet.

Be the first to review “K4 Shark Slot Box Paddleboard, SUP, Windsurfing Fins” Cancel reply

Related products

K4 BUBBLE FREESTYLE WINDSURFING FIN US BOX
Quick View

Accessories

K4 BUBBLE FREESTYLE WINDSURFING FIN US BOX

£29.75
K4 Futures Thruster Fin Set (x3) For Surfboard Paddleboard SUP
Quick View

Accessories

K4 Futures Thruster Fin Set (x3) For Surfboard Paddleboard SUP

£18.89
K4 Futures Thruster Fin Set (x3) For Surfboard Paddleboard SUP
Quick View

Accessories

K4 Futures Thruster Fin Set (x3) For Surfboard Paddleboard SUP

£18.89
K4 3SW Freestyle Wave Windsurfing Power Box Fin For RRD Boards
Quick View

Accessories

K4 3SW Freestyle Wave Windsurfing Power Box Fin For RRD Boards

£38.47
Shinn 43mm Kiteboard Finn G10
Quick View

Accessories

Shinn 43mm Kiteboard Finn G10

£8.75
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 FCS Surf Assy Side Front Fin Pair
Quick View

Accessories

K4 FCS Surf Assy Side Front Fin Pair

£12.59
K4 Slot Box Windsurfing Blanking Plates 100mm & 130mm- Yellow
Quick View

Accessories

K4 Slot Box Windsurfing Blanking Plates 100mm & 130mm- Yellow

£1.75
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.