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Specialising in innovative & revolutionary performance wave, freestyle & speed fins.
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Redefining wave performance

Redefining wave performance

K4 Fins is the leading innovator in wavesailing fins.

Find out more Shop The Fins
Soar to new heights

Soar to new heights

K4 Fins allow you to ride the right fins to reach your potential

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Put the power down

Put the power down

K4 Fins offer a completely new & exciting windsurfing feel.

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Fin model guide
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New Products

Shop The New Fins

K4 Fins team ECO JUMPER GREY K4 Fins team ECO JUMPER GREY
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K4 Fins grey eco Jumper
 £25.00
K4 Fins team ECO JUMPER BLACK K4 Fins team ECO JUMPER BLACK
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K4 Fins eco Jumper
 £25.00
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Deep Tuttle Spacer
 £10.00
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Asymmetric Incinerator
 £39.90
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Incinerator Fronts
 £19.95
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Incinerator Rears
 £39.90
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Dugong Fronts
 £19.95
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Dugong Rears
 £39.90
Add to basket
Footstrap screws.
 £9.95
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SharkII Fronts for RRD
 £19.95
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Scorcher Rears for RRD
 £39.90
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3SW freestyle-wave fin for RRD
 £59.90
M6 MT M6 MT
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M6 fin bolts for Minituttle, Powerbox and Tuttle.
 £2.00 – £2.70
Shark front Shark front slot head
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Shark Fronts
 £11.25
ZBD ZBD fin head
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ZBD Freestyle Fin
 £47.50
Scorcher
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Scorcher Rears
 £39.90
Shark2 Shark2-sb1º
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SharkII Fronts
 £19.95
Ezzy asymmetric Ezzy slot head
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Ezzy Asymmetric
 £39.90
K4 Fins 3SW freestyle wave fin power
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3SW freestyle-wave fin
 £49.90 – £59.90
K4 Fins Fang free ride fin
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FANG Freeride fin
 £69.90
Leon super stiff
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Leon Rears
 £39.90
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Surf-SUP wave rear fins
 £9.00
K4 Fins Shark asymmetric 7cm. Shark asymmetric 7cm slot head
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Ezzy Asymmetric 7cm Shark
 £29.95
K4 Fins Flex rear fin. K4 Fins Flex rear fin US head
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Flex Rears
 £29.90
Stubby rear fin
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Stubby Rears
 £29.90
Stubby front fin Stubby slot box
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Stubby Fronts / Trailers
 £14.95
Rocket front Rocket front US head
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Rocket Fronts / Trailers
 £14.95
Rocket rear Rocket US head
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Rocket Rears
 £29.90
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Surf-SUP wave front fins
 £18.00
SUP race fin K4 Fins SUP race.
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SUP Race Fin
 £39.00
10cm slot box blanker 10cm slot box blanker
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Blankers
 £2.50 – £10.00
US nut and bolt US plate and screw
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US screw and plate
 £7.50 – £13.00
K4 Fins team ECO Tshirt K4 Fins team ECO Tshirt
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K4 Fins eco T-shirt
 £18.00
K4 Fins team ECO HOODIE BLACK K4 Fins team ECO HOODIE BLACK
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K4 Fins eco Hoody
 £35.00
Fin case Fin case
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K4 Fins case
 £39.90
K4 Fins Bubble signature fin.
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Bubble Freestyle Fin
 £42.50
Get K4 On Your Board.
Our fins are lighter, looser and grippier than anything else on the market with test winning performance. Check out our fin guide to help you dial in your board for ultimate performance.
Fin Guide Stockists
Best Sellers

Browse Our Best Sellers

K4 Fins Bubble signature fin.
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Bubble Freestyle Fin
 £42.50
Fin case Fin case
Add to basket
K4 Fins case
 £39.90
K4 Fins team ECO HOODIE BLACK K4 Fins team ECO HOODIE BLACK
Options
K4 Fins eco Hoody
 £35.00
K4 Fins team ECO Tshirt K4 Fins team ECO Tshirt
Options
K4 Fins eco T-shirt
 £18.00
US nut and bolt US plate and screw
Options
US screw and plate
 £7.50 – £13.00
10cm slot box blanker 10cm slot box blanker
Options
Blankers
 £2.50 – £10.00
SUP race fin K4 Fins SUP race.
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SUP Race Fin
 £39.00
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Surf-SUP wave front fins
 £18.00
Leon Jamaer
Steffi Wahl
Thomas Traversa
Annamaria Zollet
Annamaria Zollet
Emilio Galindo
Emilio Galindo Barquín
Graham Ezzy backside float.
Graham Ezzy
Tobias Bjørnaa
Alex grand-guillot tile
Alex Grand-Guillot
Mads Bjørnå Nielsen
Alex getting loose
Alex Mussolini

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K4 Fins
Specialising in innovative & revolutionary performance wave, freestyle & speed fins. Our fins are unique to windsurfing. They're made using plastic composite - giving them extra flex, reflex & outstanding performance.
Email: bigyellow@k4fins.com
Phone: +44 7812 399723

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