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Deflow SUPRA QUATTRO - Quad fins - S1060-MRN-FC1-L

Deflow SUPRA QUATTRO - Quad fins - S1060-MRN-FC1-L

The Supra Quattro is the quad version of our bestselling Supra fin, designed for surfers seeking e...

Best current price£69.95from Bob Gnarly Surf

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Bob Gnarly SurfDeflow Supra Quattro - Quad Fins Size Large
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CronjagerDeflow Surf Deflow Supra Quattro - Quad Fins
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Product Information

Full details

The Deflow Supra Quattro is designed for intermediate to advanced surfers looking to maximize drive, speed, and control in open-face conditions. By utilizing a quad-fin setup derived from the bestselling Supra template, these fins offer the perfect blend of stability during powerful bottom turns and agility through long, carving arcs. While these fins excel in versatility, riders should note that the medium flex pattern may feel too reactive for surfers who prefer an ultra-stiff, rigid feel in heavy, high-consequence surf.

All features

Model Part NumberS1060-MRN-FC1-L
BrandDeflow Surf

Extended Product Information

FAQs

What is the difference between the front and rear foils?

The front fins feature a flat foil for maximum speed and water flow, while the rear fins have an 80-20 foil to provide a balance of control and lift.

Are these fins compatible with Futures fin boxes?

No, these fins are designed for FCS-style systems. Please verify your board's fin box type before purchase.

How do these compare to a thruster setup?

Quads generally offer more drive and speed because they lack the central drag of a center fin, making them faster in down-the-line waves.

What size surfer is the Large (L) size intended for?

The Large size is generally recommended for surfers weighing between 75kg and 95kg (165lbs to 210lbs).

Can I use these in small, mushy waves?

Yes, the drive generated by the base makes them surprisingly capable in weaker, flatter waves where generating speed is difficult.

Troubleshooting

Fin feels loose in the box

Check that the grub screw is fully tightened and that the fin tab is seated completely in the box.

Difficulty inserting the fin

Ensure the fin box is clear of sand or debris; never force the fin into the box as this may cause structural damage.

Pros and Cons

Pros

  • Excellent drive and speed generation
  • Predictable, smooth release off the lip
  • Versatile performance across different wave types
  • Lightweight construction for improved board feel

Cons

  • Medium flex may feel less stable in extreme heavy surf
  • Requires a quad-fin specific board setup
  • May require adjustment for those used to thruster setups

Setup, Compatibility & Care

These fins are designed for standard FCS-style fin boxes. Ensure that all grub screws are tightened evenly using an appropriate fin key before heading into the water; avoid overtightening as this can strip the screw threads or damage the fin box.

To maintain the longevity of your fins, always rinse them with fresh water after each session to remove salt and sand. Store them in a protective fin wallet away from direct sunlight to prevent UV degradation of the resin. If you notice any small nicks in the trailing edge from contact with reef or rocks, you can gently sand them down with fine-grit sandpaper to keep the foil hydrodynamic and smooth.

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