Summer vibes surfboard fins

Summer vibes Power Thruster 3-Fin Set Large FCSii Compatible – Lite Core Blue

$99.99
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Delivery: tracked fast couriers. Local pickup possible.

The Summer vibes Power Thruster 3-Fin Set – Large (Lite Core, FCSii Compatible) takes our proven Power template and builds it in Lite Core, our lightest and most responsive fin construction. If you surf with power and want the board to react the instant you ask it to, this is the set to run.

Lite Core strips weight out of the fin without giving up drive. Less mass in the fin means less swing weight underfoot, so the board feels livelier rail-to-rail and changes direction quicker. You get a fin that responds immediately off the bottom and through tight top turns, while the base still holds in and generates speed the way the Power template always has.

The Large template suits surfers approximately 80 kg and above and works perfectly across performance shortboards, fish hybrids, grovellers and performance softboards. With more foil area for extra hold and drive, this set feels especially good in bigger, more powerful surf, solid beach breaks and running points.

This set uses a dual-tab base and is fully FCSii Compatible, fitting all Summer vibes softboards with dual-tab fin boxes (all Summer vibes softboards are FCSii Compatible), along with most surfboards using the modern FCSii style system.

Why you’ll love the Summer vibes Power Thruster Lite Core – Large

  • Lite Core construction: Our lightest and most responsive fin build – less swing weight, quicker reaction.
  • Large template: Ideal for surfers approx. 80 kg and above wanting maximum drive and hold.
  • Performance power template: Built for speed generation, strong carving turns and controlled top-turn release.
  • Versatile everyday fin: Perfect for beach breaks, points, punchy runners and performance softboards.
  • Dual-tab, FCSii Compatible: Fits all Summer vibes softboards and most dual-tab fin systems.
  • Noticeable performance upgrade: Faster, lighter and more responsive than standard stock fins.

Upgrade your board with the Summer vibes Power Thruster in Lite Core and enjoy the lightest, liveliest feel in the range every surf.

Why choose Summer vibes

Summer vibes is an independent, Aussie-owned and surfer-run brand committed to performance, quality and purpose-built products. Every product in our store is created to help make your time at the beach better, easier and more fun. Feel good supporting a small business in your community that makes it all possible.

Designed & developed on the Gold Coast, QLD.

Ships Australia-wide from the Gold Coast. See delivery rates by state.

Shop more: surfboards, softboards, leashes, fins, traction, board covers.

Before you buy

The right gear, a clear fit and a real person to help.

Will these fins fit my board?

Match the fin base to your board’s fin boxes and the set to its intended setup: twin, thruster, quad, single or 2+1. Check the compatibility and rider-size information for this exact set; not every fin fits every system.

Unsure? Send us a photo of your fin boxes and your board model before buying.

Is this a single fin or a complete set?

Check the product title and inclusions for the number of fins and the intended setup: twin, thruster, quad, single or 2+1. Confirm any screws, key or adapters in the inclusions—do not assume every set includes them.

What warranty comes with these fins?

Summer vibes hardware has a 12-month guarantee against manufacturing defects from the date of purchase, for the original purchaser with proof of purchase. Normal wear, accidental damage and misuse are not manufacturing defects.

See the warranty and returns policy for your category’s terms and exclusions. If you need help, contact us with your order details and clear photos. This cover is in addition to your Australian Consumer Law rights.

What will delivery cost, and can you ship to me?

Enter your delivery address at checkout to see available services, the final shipping cost and any eligible free-delivery offer before paying. Options depend on the item and destination.

Who is Summer vibes?

Summer vibes is an independent, Australian-owned surf business run by Branchy. He designs and tests Summer vibes boards and hardware in Gold Coast surf conditions, and helps customers choose their gear personally. We also stock selected products from other brands.

Meet Branchy and the brand.

Where are you based, and can I collect my order?

We’re based at Snapper Rocks on the Gold Coast. Eligible order pickup is from our fulfilment warehouse at GC3PL, 14 Hawker Street, Currumbin Waters.

We don’t currently have a walk-in shop, although many stores nationwide stock our gear.

Choose pickup at checkout when offered, then wait for collection confirmation. Contact us to confirm warehouse hours before travelling.

Who makes our gear?

Our boards and hardware are designed and tested on the Gold Coast. We partner with experienced, family-owned manufacturers—specialists in their respective fields, with more than 20 years of surfboard and accessory manufacturing expertise.

Already ordered? Visit order help and FAQs for tracking and confirmation-email questions.

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