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Deflow Duette twin fins - S1029.04-MNT-EVO2

Deflow Duette twin fins - S1029.04-MNT-EVO2

The Duette twin fins are designed to enhance your surfing experience on fish boards, offering a di...

Best current price£54.95from Bob Gnarly Surf

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Product Information

Full details

The Deflow Duette twin fins are engineered for surfers riding fish-style boards who want a more responsive, vertical turn capability compared to traditional keel fins. By combining a wide base for powerful drive with an upright rake for tighter maneuvers, these fiberglass fins provide a high-performance experience, though their 2/5 flex rating may feel too stiff for surfers who prefer a looser, more flexible ride.

All features

Model Part NumberS1029.04-MNT-EVO2
BrandLove waves

Extended Product Information

FAQs

Are these fins suitable for beginners?

These are high-performance fins intended for intermediate to advanced surfers who understand how to utilize drive and pivot in their turns.

What is the flex rating, and what does it mean?

The 2/5 flex rating means these fins are relatively stiff, which provides maximum drive and speed, but less of the 'whip' feeling associated with more flexible fins.

Can I use these on a quad-fin board?

No, these are specifically designed for a twin-fin configuration.

What material are the Deflow Duette fins made of?

They are constructed from fiberglass, which is chosen for its strength, durability, and ability to hold shape under high pressure.

How do I maintain the performance of the fiberglass?

Rinse with fresh water after every session and avoid dragging your board over rocky surfaces to prevent damage to the fin edges.

Troubleshooting

Fin feels loose in the box

Check if the grub screws are fully tightened. If the screws are bottoming out before securing the fin, use a spacer or replace the screws.

Difficulty inserting the fin

Clean the fin box with a soft brush to remove sand and salt crust. Ensure the fin base is not damaged or obstructed.

Pros and Cons

Pros

  • Superior drive and speed generation
  • Easier maneuverability than traditional keel twins
  • Highly durable fiberglass construction
  • Predictable, stable feel under high-load carves

Cons

  • Stiffer feel might not suit every surfer's preference
  • Less 'looseness' compared to high-flex fins
  • Specific design intent may not match all fish board rockers

Setup, Compatibility & Care

These fins are designed for boards utilizing the specific fin system associated with the EVO2 standard. To install, ensure your fin boxes are free of sand and debris. Seat the base of the fin firmly into the box, ensuring it sits flush against the board surface, and tighten the grub screws carefully—avoid over-tightening as this can strip the threads or damage the fin base. After surfing, always rinse your board and fins with fresh water to prevent salt buildup within the boxes. Periodically inspect the base and tips for nicks; a light sanding with fine-grit sandpaper can smooth out minor imperfections to maintain hydrodynamics.

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