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

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Footstrap screws.
 £9.95
Add to basket
K4 harness mount 360 attachment
 £20.00
Options
SharkII Fronts for RRD
 £14.95
Options
Scorcher Rears for RRD
 £29.95
Options
3SW freestyle-wave fin for RRD
 £54.95
M6 bolts 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
 £42.50
Scorcher
Options
Scorcher Rears
 £29.95
Shark2 Shark2-sb1º
Options
SharkII Fronts
 £14.95
Ezzy asymmetric Ezzy slot head
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Ezzy Asymmetric
 £29.95
K4 Fins 3SW freestyle wave fin power
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3SW freestyle-wave fin
 £39.95 – £54.95
K4 Fins Fang free ride fin
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FANG Freeride fin
 £59.95
Leon super stiff
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Leon Rears
 £29.95
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Surf-SUP wave rear fins
 £9.00
K4 Fins Shark asymmetric 7cm. Shark asymmetric 7cm slot head
Options
Ezzy Asymmetric 7cm Shark
 £29.95
K4 Fins Flex rear fin. K4 Fins Flex rear fin US head
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Flex Rears
 £29.95
Stubby rear fin
Options
Stubby Rears
 £29.95
Stubby front fin Stubby slot box
Options
Stubby Fronts / Trailers
 £14.95
Rocket front Rocket front US head
Options
Rocket Fronts / Trailers
 £14.95
Rocket rear Rocket US head
Options
Rocket Rears
 £29.95
Free ride testing at the OTC Harness mount bracket
Options
Long K4 Harness GoPro Mount (Europe only)
 £80.00 – £90.00
Options
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
Options
Blankers
 £2.50 – £10.00
US nut and bolt US plate and screw
Options
US screw and plate
 £7.50 – £13.00
West Kirby run
Options
Standard or extended K4 Harness Mount
 £70.00 – £99.00
K4 Tshirt
Options
K4 Fins T-shirt
 £15.00
K4 Hoody Hoody
Options
K4 Fins Hoody
 £25.00
K4 Fins Bubble signature fin.
Options
Bubble Freestyle Fin
 £42.50
Support plate Support plate
Add to basket
K4 harness mount support plate
 £28.00
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

Support plate Support plate
Add to basket
K4 harness mount support plate
 £28.00
K4 Fins Bubble signature fin.
Options
Bubble Freestyle Fin
 £42.50
K4 Hoody Hoody
Options
K4 Fins Hoody
 £25.00
K4 Tshirt
Options
K4 Fins T-shirt
 £15.00
West Kirby run
Options
Standard or extended K4 Harness Mount
 £70.00 – £99.00
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.
Options
SUP Race Fin
 £39.00
Graham Ezzy backside float.
Graham Ezzy
Nic Hibdige
Nic Hibdige
Pablo super tweaked pushy.
Pablo Ramírez Bolaños
Leon Jamaer Big Bay South Africa.
Leon Jamaer
Omar massive one handed back loop.
Omar Sánchez
Emilio Galindo
Emilio Galindo Barquín
Bubble upwind wave 360.
Andy Bubble Chambers
Mads Bjørnå Nielsen
Adam Lewis
Alex grand-guillot tile
Alex Grand-Guillot
Steffi Wahl
Annamaria Zollet
Annamaria Zollet
Thomas sailing Irish slab!
Thomas Traversa
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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