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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.

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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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Team rider videos
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Fin model guide
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Fin specs
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Toe in guide
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Stockist list
New Products

Shop The New Fins

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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
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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
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
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K4 Fins case
 £39.90
US nut and bolt US plate and screw
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US screw and plate
 £7.50 – £13.00
10cm slot box blanker 10cm slot box blanker
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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
Rocket rear Rocket US head
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Rocket Rears
 £29.90
Rocket front Rocket front US head
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Rocket Fronts / Trailers
 £14.95
Graham Ezzy backside float.
Graham Ezzy
Leon Jamaer
Emilio Galindo
Emilio Galindo Barquín
Mads Bjørnå Nielsen
Alex grand-guillot tile
Alex Grand-Guillot
Steffi Wahl
Annamaria Zollet
Annamaria Zollet
Thomas Traversa
Tobias Bjørnaa
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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