JJF Large Thruster Surfboard Fins Australia – FCS I | Curve - Hexcore Performance Fins

Curve JJF Large Thruster Fins FCS1 deliver a balanced blend of drive, hold and manoeuvrability through a neutral-drive, all-round template

Extra base and rake provide additional hold and control through turns, helping generate speed and drive while maintaining connection with the wave

Featuring lightweight fibreglass Hexcore construction for a balance of strength and performance, these fins are a versatile choice for performance surfing in a wide range of conditions up to head high

🏄 Neutral All-Round Template – A versatile shape designed to balance drive, hold and manoeuvrability

⚡ Drive & Speed Control – Helps maintain control through turns and generate speed down the line

💪 Fibreglass Honeycomb Construction – Lightweight honeycomb core construction for a balance of strength and performance

🌊 Versatile Performance – An all-round option for everyday surfing in a range of wave conditions up to head high

📏 Large Size – Suited to surfers looking for additional fin area, hold and stability

🔧 FCS I Dual-Tab System – Original FCS-style dual tabs for compatible FCS I fin boxes

Specifications

• Model: JJF Thruster – Large
• Configuration: Thruster – 3 fins
• Template: Neutral / all-round
• Size: Large
• Construction: Fibreglass Hexcore
• Fin system: FCS I dual-tab

Side Fins – 2 fins

• Height: 4.71" / 119.6 mm
• Base: 4.61" / 117.1 mm
• Area: 16.05 in² / 103.5 cm² per fin
• Foil: Flat

Rear / Centre Fin – 1 fin

• Height: 4.71" / 119.6 mm
• Base: 4.61" / 117.1 mm
• Area: 16.05 in² / 103.5 cm²
• Foil: Symmetrical

Ideal Conditions

Ideal for everyday surfing in a wide range of conditions up to head high, offering speed, connection and control through turns with extra hold when pushing harder

Who Are These Fins For?

The JJF Large Thruster Fins are designed for surfers 75+kg wanting a balanced combination of drive, hold and control, particularly when pushing through turns on performance shortboards in waves up to head high.

The neutral template provides an all-round feel, making these fins a versatile choice for everyday surfing

Frequently Asked Questions

What size surfer are Large fins suited to?

Large fins are generally suited to surfers around 75 kg and above, although board design, surfing style and personal preference also influence fin choice

Are the side and rear fins the same size?

The reference Large template has the same height, base and area for both the side fins and the rear fin. The difference is in the foil: the side fins are flat, while the rear fin is symmetrical

What is Hexcore fin construction?

Hexcore fins use a lightweight core within a fibreglass construction, helping balance weight, stiffness and performance

Are these sold as a thruster set?

Yes, this is a three-fin set for a thruster configuration

Which fin system do they fit?

These fins use the original FCS I dual-tab system and are designed for compatible FCS I fin boxes.

JJF Thruster Fins - Large

A neutral-drive, all-round fin set delivering speed, connection and control through turns with balanced hold and manoeuvrability