Set of three 4.5 inch progressive thruster fins in smoke Pro Glass with FCS II bases
Side view of smoke Pro Glass 4.5 inch thruster fin showing progressive template
Set of three 4.5 inch progressive thruster fins in smoke Pro Glass with FCS II bases
Side view of smoke Pro Glass 4.5 inch thruster fin showing progressive template

4.5" Progressive Thruster Fins – Smoke Pro Glass | FCS II Compatible (Set of Three)

$109.00

4.5" Pro Glass thruster fins with a progressive template for controlled drive and release. FCS II compatible. Set of three.

4.5" Pro Glass thruster fins with a progressive template for controlled drive and release. FCS II compatible. Set of three.

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Size:

FCSII compatible. Depth 4.5" Base 4.4" Foil flat inside face on side fins, 50/50 on center fin.

The 4.5" Progressive Thruster Fins are manufactured from smoke Pro Glass to provide consistent flex, durability, and predictable response. The progressive template features a fuller base with a refined tip, allowing drive through turns while maintaining controlled release at higher speeds.

Designed as a thruster set, these fins suit a wide range of performance shortboards and hybrids. Pro Glass construction maintains its flex pattern under load, offering stability in clean conditions and reliability across varied surf. Supplied as a matched set of three fins and compatible with FCS II fin systems.

Key features

  • 4.5" thruster fin height

  • Progressive thruster template

  • Smoke Pro Glass construction

  • Balanced flex for control and drive

  • Supplied as a set of three fins

  • FCS II compatible

Ideal for

  • Thruster fin configurations

  • Performance shortboards and hybrids

  • Surfers seeking controlled drive with smooth release

  • Small to medium surf conditions

Why choose this product

  • Progressive template suited to modern thruster setups

  • Durable Pro Glass construction with stable flex characteristics

  • Neutral sizing suitable for a wide range of boards and surfers

  • Tool-less compatibility with FCS II systems

Compatibility

  • FCS II fin boxes (tool-less installation)

  • Not compatible with Futures fin systems

Frequently Asked Questions

Are these fins sold as a full thruster set?
Yes. This product includes three fins: one center fin and two side fins.

Do these fins require screws for installation?
In FCS II fin boxes, these fins install without screws.

What type of boards are these fins best suited to?
They are designed primarily for performance shortboards and hybrids using a thruster fin setup.

4.5-inch progressive thruster fins made from smoke Pro Glass, supplied as an FCS II compatible set of three. Designed to provide balanced drive, control, and predictable release for performance shortboards and hybrid surfboards in small to medium conditions.

We include:

Free Delivery: Everywhere in Australia.

Tracking: Quick & easy online tracking on all fins. 

Peace of Mind: All our fins are insured against loss in transit.

Prompt Australian Dispatch: All items are sent from stock held in Sydney on the same or next business day.

Returns: 30-day, no questions asked returns, for unused full price items.

No More to Pay: No surcharges added at the checkout.

Express Shipping just $10 per order