The Controller Alpha fin set is specifically designed for surfboards, particularly classic wide-tailed retro models. With a Ride Number of 5.7, it combines the unique features of a split keel with both twin and quad attributes. Crafted from C6 material and featuring a V2 foil, this set ensures excellent drive and control, while the upright rear fin introduces a skate-like feel, enhancing maneuverability.
Manufactured exclusively in Huntington Beach, California, USA, the Controller Alpha fins are a testament to superior craftsmanship and innovation. Each fin in the set is precisely sized to optimize performance:
- Side Fins - Area: 18.24, Height: 4.50, Base: 5.05.
- Rear Fin - Area: 12.06, Height: 4.53, Base: 3.89.
This ensures that the fins deliver exceptional stability and responsiveness in various surfing conditions.
Product highlights
Enhanced Control
The Controller Alpha set is designed to provide superior control and drive, making it ideal for retro boards.
Quality Manufacturing
Exclusively designed and manufactured in Huntington Beach, CA, ensuring top-tier quality and performance.
Versatile Riding Experience
Offers a unique blend of twin and quad characteristics, catering to diverse surfing styles.
Features

- Ride Number 5.7 - Balancing control and responsiveness, it offers a ride number of 5.7.
- Material Composition - Constructed from C6 material, known for its durability and performance.
- Foil Design - V2 foil enhances the fin's hydrodynamic efficiency for better control and speed.
- Physical Specifications - Side fins: Area 18.24, Height 4.50, Base 5.05; Rear fin: Area 12.06, Height 4.53, Base 3.89.
Set includes
- Side Fins - Includes two side fins designed for optimal drive and stability.
- Rear Fins - Includes two rear fins for enhanced control and contribution to the quad's overall balance.
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