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Fins

At KSF, we offer a wide range of fins, including thruster, quad, single fin, and 2+1 setups to suit all types of surfboards, from shortboards to longboards.

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FCS
Balance of speed, flow and response. Suitable for all conditions. More
Balance of speed, flow and response. Suitable for all conditions.
C$129.00 C$129.00
 
 
FCS
Offers the speed & turning freedom of a twin set up, with control added by an oversized stabiliser. More
Offers the speed & turning freedom of a twin set up, with control adde...
C$154.00 C$154.00
 
 
C$59.00 C$59.00 C$41.30 C$41.30
You save 43%
 
 
FCS
Designed with Kelia Moniz, this classic 9.75″ PG longboard fin balances cruising, trim control, and smooth arcing turns. The stiff Performance Glass... More
Designed with Kelia Moniz, this classic 9.75″ PG longboard fin balan...
C$129.95 C$129.95
 
 
FCS
Thomas Bexon's new signature single fin holds the perfect amount of release and drive. More
Thomas Bexon's new signature single fin holds the perfect amount of re...
C$139.95 C$139.95
 
 
FCS
The Performer template in Neo Glass Eco offers a balance of speed, flow and response and is suitable for all conditions. More
The Performer template in Neo Glass Eco offers a balance of speed, flo...
C$62.00 C$62.00
 
 
FCS
FCS II Pivot II PG for Longboards - Charcoal/Grey More
FCS II Pivot II PG for Longboards - Charcoal/Grey
C$129.95 C$129.95
 
 
FCS
Speed ​& tight turns. Ideal for beach breaks. More
Speed ​& tight turns. Ideal for beach breaks.
C$149.00 C$149.00
 
 
Firewire Surfboards
The all new Machado Seaside Quad fin set looks rad, surfs amazing and will make you surf better! More
The all new Machado Seaside Quad fin set looks rad, surfs amazing and ...
C$199.95 C$199.95
 
 
Lib Tech
The ultimate in versatility to fine tune your board optimally for all conditions…Fast down the line projection, hold and drive in larger waves and b... More
The ultimate in versatility to fine tune your board optimally for all ...
C$175.00 C$175.00
 
 
FCS
Balance of speed, flow and response. Suitable for all conditions. More
Balance of speed, flow and response. Suitable for all conditions.
C$169.00 C$169.00
 
 
FCS
Filipe Toledo's 'FT' signature fin. Ultra-light material for fast progressive surfing. More
Filipe Toledo's 'FT' signature fin. Ultra-light material for fast prog...
C$159.00 C$159.00
 
 
FCS
The Performer template in Neo Glass Eco offers a balance of speed, flow and response and is suitable for all conditions. More
The Performer template in Neo Glass Eco offers a balance of speed, flo...
C$179.00 C$179.00
 
 
FCS
Designed by Rob in conjunction with his Firewire "Glazer" Model, this high-performance keel fin provides a fast and loose feel. More
Designed by Rob in conjunction with his Firewire "Glazer" Model, this ...
C$159.00 C$159.00
 
 
FCS
The FCS II Connect GF 7" offers great speed, flow, and control for all-around longboarding. Built from durable Glass Flex and features a tool-less sys... More
The FCS II Connect GF 7" offers great speed, flow, and control for all...
C$49.95 C$49.95
 
 
Firewire Surfboards
Rob Machado’s 2 + 1 Futures fin set blends twin fin glide with a small trailer for thruster-level control. Enables tight arcs, rail-to-rail transiti... More
Rob Machado’s 2 + 1 Futures fin set blends twin fin glide with a sma...
C$189.95 C$189.95
 
 
FCS
Designed with Matt “The Waxhead” Chojnacki, this FCS II 10″ Performance Glass longboard fin delivers stable nose riding and fast transitions. Fu... More
Designed with Matt “The Waxhead” Chojnacki, this FCS II 10″ Perf...
C$129.99 C$129.99
 
 
FCS
Versatile and high-performing, the FCS II Connect GF 8" fin delivers speed, control, and drive for all longboarding styles. Tool-less design allows qu... More
Versatile and high-performing, the FCS II Connect GF 8" fin delivers s...
C$59.95 C$59.95
 
 
FCS
FCS II Kelia Moniz PG Dérive de Longboard - Sunset Glass 9.75'' More
FCS II Kelia Moniz PG Dérive de Longboard - Sunset Glass 9.75''
C$129.95 C$129.95
 
 
FCS
Low aspect keel twin designed for fish shapes. Fast and loose with minimal drag. More
Low aspect keel twin designed for fish shapes. Fast and loose with min...
C$150.00 C$150.00
 
 
Machado
Machado Twin Keel Set Double Tab (FCS2 Compatible) More
Machado Twin Keel Set Double Tab (FCS2 Compatible)
C$169.00 C$169.00
 
 
Showing 1 - 24 of 62
Fins

Surfboard fins play a crucial role in your surfing performance. Whether you're using thrusters for sharp turns, quad fins for added stability, or single fins for smooth, classic surfing, each type of fin is designed to meet specific needs. Made from fiberglass, carbon, and composite materials, our fins ensure durability, responsiveness, and top performance. Explore our collection and find the perfect fins for your surf style and skill level.

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