

CHANNEL ISLANDS - CI TECH 2 - M - 3FINS
Precision Engineering for Powerful Surf
Built on the iconic Al Merrick fin template from Channel Islands Surfboards. Sized at 4.50" medium for surfers weighing 165lbs and under. Complete thruster fin set included.
Features:
- Hexagonal honeycomb core for lightweight strength.
- 12K weave base provides solid support and stability.
- Unidirectional carbon tip delivers rapid response.
- Broad base generates powerful drive through turns.
- Enhanced rake angle for extended, flowing carves.
- Refined tip design for quick release on critical sections.
- CI's signature smaller center fin with reduced stiffness for tighter arcs.
- Futures ride # 2.5 - engineered for speed control with engaged feel.
- Medium 4.50" sizing optimized for riders under 165lbs.
Material:
Polyester resin and fiberglass construction. Unique core reduces resin content and weight. Proprietary fiberglass weave and orientation is designed for maximum response and performance. These fins excel in waves with more power.
Dimensions:
- Depth: 4.52".
- Base: 4.50".
- Area: 14.99" ^2.
- Foil: Flat.
- Depth: 4.36".
- Base: 4.49".
- Area: 14.63" ^2.
- Foil: 50/50.
Need the perfect board to complete your quiver?
→ Explore our complete collection of new surfboards from the best brands
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Precision Engineering for Powerful Surf
Built on the iconic Al Merrick fin template from Channel Islands Surfboards. Sized at 4.50" medium for surfers weighing 165lbs and under. Complete thruster fin set included.
Features:
- Hexagonal honeycomb core for lightweight strength.
- 12K weave base provides solid support and stability.
- Unidirectional carbon tip delivers rapid response.
- Broad base generates powerful drive through turns.
- Enhanced rake angle for extended, flowing carves.
- Refined tip design for quick release on critical sections.
- CI's signature smaller center fin with reduced stiffness for tighter arcs.
- Futures ride # 2.5 - engineered for speed control with engaged feel.
- Medium 4.50" sizing optimized for riders under 165lbs.
Material:
Polyester resin and fiberglass construction. Unique core reduces resin content and weight. Proprietary fiberglass weave and orientation is designed for maximum response and performance. These fins excel in waves with more power.
Dimensions:
- Depth: 4.52".
- Base: 4.50".
- Area: 14.99" ^2.
- Foil: Flat.
- Depth: 4.36".
- Base: 4.49".
- Area: 14.63" ^2.
- Foil: 50/50.
Need the perfect board to complete your quiver?
→ Explore our complete collection of new surfboards from the best brands

















