5.5" Power Twin Fins – FCS II compatible gold Pro Glass (2 fins)

Fast, powerful twin fins with dependable hold, controlled projection and responsive Pro Glass performance.

These surfboard fin templates combine the speed and freedom of twin fins with the assured hold and rail control expected from performance-focused Eveley fins.

Choose these fins when you want:

• Fast acceleration and effortless down-the-line speed

• Strong projection through bottom turns

• Smooth, drawn-out carving arcs

• More control from a performance twin or modern fish

• Clean release through top turns

• Reliable hold in punchy beach breaks and clean point waves

Best suited to: Performance twins, modern fish designs and surfers who want twin-fin speed without an excessively loose feeling.

Fin-box compatibility: FCS II twin-fin boxes using the dual-tab fitting system.

Not suitable for: Futures-style single-tab fin boxes.

Technical Specs

• Fin type: Performance twin-fin set

• Template: Power Twin

• Number of fins: Two

• Depth: 5.5 inches

• Base: 5.2 inches

• Foil: Flat inner face

• Construction: Solid Gold Pro Glass fibreglass

• Finish: Machined finish

• Colour: Translucent gold

• Fin system: FCS II compatible dual tab

• Recommended boards: Performance twin fins and modern fish surfboards

• Performance character: Speed, drive, projection and controlled release

• Dispatch: Sent from stock held in Sydney, Australia

The 5.5-inch depth provides the drive and stability needed to push firmly through turns. A balanced rake keeps the board moving smoothly through longer arcs, while the broad base generates acceleration and forward projection.

Solid Pro Glass construction delivers a responsive flex pattern with dependable strength and control under load. The flat inner foil produces direct feedback and predictable performance, making these twin fins suitable for both clean point waves and powerful Australian beach breaks.

Eveley Surfboard Fin Knowledge Hub

Learn more about choosing, fitting and understanding twin fins and other surfboard fins:

• Twin Fin Surfing Guide – Speed, Flow, Keels and Modern Control

• Twin Keel Surfboard Fins Guide – Speed, Drive and Classic Flow

• Surfboard Fin Compatibility Explained

• Surfboard Fin Materials Guide – Fibreglass, Honeycomb and Carbon

• What Is Pro Glass and Why Do Surfers Prefer It?

• Surfboard Fins Australia – Complete Guide and Shop

A pair of 5.5-inch Eveley Power Twin surfboard fins made from Gold Pro Glass, with FCS II compatible dual tabs, a 5.2-inch base and flat inner foil for speed, drive, projection and controlled release.

FCS™ and FCS II™ are registered trademarks of Surf Hardware International Pty Ltd. Eveley Surf is not affiliated with or endorsed by Surf Hardware International Pty Ltd. All compatibility references to FCS and FCS II are for descriptive purposes only.