Koalition

The Koalition Quad Keel fin set is a perfect accompaniment to your modern or retro quad fish. Smoked solid fibreglass construction for a nice stiff fin set and piles of speed down the line. The quad rears add stability as required.
Within 1-2mm in template of the discontinued FCS RM Seaside Quad if you are looking for a replacement set of these.

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Koalition Quad Keel Surfboard Fin Set FCS style 2 Tab Smoked

The Koalition Quad Keel fin set is a perfect accompaniment to your modern or retro quad fish. Smoked solid fibreglass construction for a nice stiff fin set and piles of speed down the line. The quad rears add stability as required.
Front fin : 123.5mm High – 146.3mm Base – Rake : 37.25 degrees – Flat Foil
Rear Fin : 77.25 mm High – 107.5mm Base – Rake 37.57 degrees – Flat Foil