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CETMA Composites PRANA Carbon Fin Blades - For CETMA S-Wing Footpockets

The CETMA PRANA Carbon Fin Blade has been specifically engineered for CETMA S-Wing Footpockets. The S-Wing Footpockets are sold separately and also available for purchase.

Carbon Blades PRANA key features:1) Blades 75% carbon fibre and 25 % S-glass fibre(aeronautic high resistance glass).2) The blades are made of 100% epoxy PRE-PREG produced with hot melt system and micro-toughened tetra-functional resin. 3) 3D-Tech: Proprietary Technology, of CETMA COMPOSITES exclusive know-how, with high pressure, high temperature and high degree of applied vacuum, which lead to a component with 0% void level, without defects, with a uniform matrix/reinforcement ratio across the whole blade. 4) FEM Design: PRANA blades are optimized trough an accurate Design by means of Finite Element Softwares (FEM). The Design trough FEM software allows an optimized distribution of the stiffness, with the aim to obtain a deformation able to ensure the maximum hydrodynamic efficiency.5) Dimensions: Width 185mm; Length from the bending angle 667 mm; bending angle 33 degrees.6) Available stiffness: soft (S), medium (M).7) Colour choice: Yellow, Orange, Red.8) Footpocket fitting: CETMA COMPOSITES, SpearPro, and Pathos.9) Water rail: CETMA COMPOSITES Water rails with variable height and high efficiency.10) Warranty: 2 years on carbon parts; 5 years if fitted with CETMA COMPOSITES footpocket

Customer Reviews

Based on 2 reviews
Love my fins!

Love my fins! So glad they helped me fit them!

Great For Temperate Reef Diving!

I chose these over the mantras or edges for a few specific readons. I typically spearfish the Northeast US, Long Island NY, and the diving we get around here has a lot of jetty entries and rocky structure underwater. These are slightly shorter than the other Cetma models, which is useful because in shallow, low viz, rocky areas, long fins have plenty of potential collisions, as opposed to using them in more open spaces like blue water and tropical deep reefs. And whereas other Cetmas are entirely carbon, these are ¼ fiberglass, which I figured would contribute a bit to their durability. Overall, these have proved great for the area. Despite being on the shorter end of Freediving bifins, I’ve had no issue in hunting 50-55’ deep during my occasional trips to block island (I’ve taken them as deep as 85’, but didn’t hunt at that depth). And, more notably, for shallow diving (12-30’) in rocky areas with strong currents, the reduced length reduces the chance you’ll accidentally kick a boulder you didn’t see.

Overall, while I’d consider buying a different fin if I was always diving bluewater or tropics, if I’m doing 50% or more of my diving in colder&shallower rocky areas, this is absolutely a great fin for that. Areas like the Northeast Coast of the US, any inshore diving on the west coast (lingcod, kelp forests, etc) or maybe even some of the low viz areas in the UK, these fins should be ones you consider.