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Alternative Mart 4A Surf Fin – Balanced Performance for Speed and Carving

(3 customer reviews)

Original price was: $73.27.Current price is: $46.71.

4A surf fin with narrow, flexible tip and solid base for responsive turns and stable drive.

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4A 9.5 – Balanced Fin for Smooth Performance

A well-balanced fin featuring a narrow, moderately flexible tip connected to a solid base. It delivers strong drive from the bottom and responsive turn performance through its arc-shaped design. Designed for both speed generation and maneuverability in the pocket, the 4-A fin performs best when held at the right moment and released smoothly.

Light surface scratches are present, but the fin is still usable as is.

※Slightly thinner foil compared to TA models

Specification Detail
Fin Type 4A
Size 9.5
Base Design Full base with narrow, flexible tip
Performance Strong drive, responsive turns, suitable for speed and pocket surfing
Condition Light surface scratches, otherwise in good useable condition

FAQ

What makes the 4A 9.5 fin different from other fin models?

The 4A 9.5 features a narrow, moderately flexible tip connected to a solid base, providing strong drive from the bottom and responsive turn performance. It is slightly thinner than TA models, which affects its foil profile and contributes to a more agile feel in the water.

Is the fin suitable for both wave riding and flat water surfing?

Yes, the 4A 9.5 is designed for both speed generation and maneuverability in the pocket, making it suitable for a range of conditions including wave riding and flat water surfing.

Are there any known issues with the fin’s durability?

The fin has light surface scratches, but no structural damage or performance issues have been reported. It remains fully functional and usable as is.

3 reviews for Alternative Mart 4A Surf Fin – Balanced Performance for Speed and Carving

  1. Nathan Kerr –

    The 4A 9.5 fits well in my board and gives a good balance between drive and responsiveness. I noticed it’s slightly thinner than expected, but it handles turns smoothly. The scratches are minor and don’t affect performance. Great for both wave and flat water sessions.

  2. Ella Abraham –

    I’ve used this fin for a few weeks now and it performs consistently. The drive from the bottom is solid, and it responds well to turns. The slight thinness makes it a bit more agile than the TA version, which I appreciate for quick maneuvers.

  3. Leonard Buckland –

    Perfect for my intermediate level surfing. The fin holds well in the pocket and releases smoothly. It’s not flashy, but it delivers reliable performance. The scratches are barely noticeable and don’t impact usability.

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