The QD2 3.75 Alpha is an expertly crafted quad rear fin set offering a balanced ride with a Ride Number of 6.5. Integrating lightweight C6 composite material, which merges carbon and air, these fins are lighter and more responsive than traditional Honeycomb designs. Their neutral template and symmetrical foil make them the ideal partner for front fins, enhancing turning precision and speed.
Each Alpha product, including this fin set, is meticulously engineered and produced in Huntington Beach, California. With an area of 10.73, height of 3.76, and base of 3.71, these fins promise an excellent balance between stability and flexibility, accommodating a diverse range of surfing styles and conditions.

Product highlights
Enhanced Performance
Designed for improved maneuverability and speed in quad setups.
Lightweight Construction
C6 composite material is lighter than Honeycomb, ensuring a nimble ride.
Balanced Ride
Offers a balanced ride with a Ride Number of 6.5, ideal for versatile conditions.
Features

- Material Composition: C6 Composite - Made from carbon and air, offering a lighter and more flexible experience.
- Foil Type: Symmetrical - Promotes a neutral feel, compatible with various front fin designs.
- Dimensions - Area 10.73, Height 3.76, Base 3.71, ensuring optimal performance.
- Local Craftsmanship - Proudly designed and manufactured in Huntington Beach, California.
Set includes
- Rear Fins - Two rear fins included to complete the quad fin setup.
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