A wide base with acute curve in the trailing edge helps in a number of ways. The base area provides more of a sweet spot in the tail to allow for feet adjustment. A 70/30 foil gives control through transition of turns, allowing the water to grip both sides of the fin. This maximises stall time before cavitation and eases back into drive after tail slides.


Base: 165mm/6.5″ Depth 147mm/5.7″

Alkali Fins - Ellis Twin

  • Some fin colours are not always in stock. If ordered and not available we will contact you and let you know within 24 hours. This does not mean you won't get your fin, it will just need to be custom made (2-3 week turnaround).

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41 Gould st, North Bondi. NSW. 2026

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