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Surfer: Lance Carleton
Photo: Andrew Shields

Blog Post Details

NRG Series Returns

Posted by Robin Mair on 2025-08-14
NRG-550 Twin Design

NRG-550 Twin Design

This is a series that we first designed back in 2016, it was always popular but it never made it into production. We decided to dust off the design, slightly tweaked the template and completely upgraded the foiling.

This is an awesome and versatile fin. In the larger sizes it makes for an excellent twin fin. The combination of the large swept back blade and the narrow base give it the feel of a keel fin but with a lot of looseness. The large blade generates a lot of drive. Due to the shape and foiling of the fin there is virtually no flex so the response is instant.

Because of the area placement this fin can typically be ridden smaller than a more normal fin.

This series is a "base back" design. What this means is that as the templates get larger the area of the fin moves back. The design is anchored at the leading edge and as the fin increases in size the base stays the same width, but the area increases.

As with all of our fins there is a strong HOLOFOIL on the inside face of this template. Additionally, there is a twist in the trailing edge that favors pushing the water off the inside face lower down on the fin.

It is great to be bringing this template back to life and finally getting it into production.

The initial plan calls for four different templates - 450, 500, 525, and 550. We have already been making a lot of the 550 versions for people that had already encountered this fin in its previous incarnation.

These will be available in GEARBOX and FUTURES bases, plus the GEARBOX bases can be easily converted into DUAL TAB when needed.

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