FCS

The FCS Modern Fish twin fin set is an upright keel template designed for traditional fish shapes. This is the only fin set specifically designed for the Firewire GoFish.

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FCS II Modern Keel PG Twin Surfboard Fin Set Black Fibreglass

The FCS Modern Fish twin fin set is an upright keel template designed for traditional fish shapes.
The fins have a lower sweep (rake) than most conventional, wider based keels which allows it to pivot in a really tight radius. The high area and depth not only delivers a feeling of control when pushed harder on the open face, but helps to maintain tremendous speed through roundhouse cutbacks.
This is the only fin specifically designed for the Firewire GoFish (Firewire have specifically set the plugs for this fin).
Stiff Performance Glass construction with black fibreglass.
FIN SPECS
Base: 4.61″ / 117mm
Depth: 5.50″ / 139mm
Area: 25.05″sq / 16160mmsq
Sweep: 39.0deg
Foil: Flat with bevel on leading edge
FCS II Plug system fins – will not fit the FCS original 2 tab plugs.
Twin Fin Guide

‘Twin fin’ templates features a large surface area and upright design, allowing for tight turns in the pocket. Some twin fin sets include a mini stabilizer fin which draws the turn out slightly.

‘Keels fins’ offer stability, classic glide and trim for high speed ‘down the line’ surfing.

If you board shaper recommends a specific fin for your board we would always advise you to stay with this recommendation.

There are no surfer weight/size guides for twin fins and keels as they are generally suitable for all weights and sizes of surfers. Note: You may find some fins identified on catalogues/stock numbers as ‘Large’ or ‘XL’, but this is just used as a comparison to thruster fins and is NOT a weight guide for users.