FCS II AM Surfboard Twin Fin with Trailer Fin

$152.00
In stock
SKU
117950

About FCS II AM Surfboard Twin Fin with Trailer Fin

FCS II AM Surfboard Twin Fin with Trailer Fin

The FCS II AM Surfboard Twin Fin with Trailer Fin brings Al Merrick’s legendary design expertise to a modern twin + trailer setup for versatile, high-performance surfing. This fin set delivers the speed and freedom of a twin with the added control and stability of a small rear stabilizer. Designed for drive, flow, and responsive performance in a wide variety of wave conditions, this setup is perfect for twin fin shortboards, fishes, and hybrids.

Key Features

  • Al Merrick Signature Design: Created in collaboration with Channel Islands Surfboards for powerful, fluid surfing.
  • Twin + Trailer Configuration: Combines twin fin speed and looseness with added stability and control from the small rear trailer.
  • High Area Twin Fins: Provide drive, hold, and acceleration through turns while maintaining smooth rail-to-rail transitions.
  • Performance Core (PC) Construction: Lightweight, durable composite with a responsive flex that mimics traditional fiberglass fins.
  • FCS II Tool-Less System: Allows quick and easy fin installation without screws or keys.
  • Versatile Compatibility: Ideal for twin fin shortboards, modern fishes, and performance hybrid shapes.

Why Choose the FCS II AM Twin + Trailer?

The FCS II AM Twin + Trailer Fin Set is designed for surfers who love the fast, flowing feel of a twin but want extra control when driving through turns. The combination of power, precision, and release makes this fin set one of the most popular choices for surfers looking to maximize performance in small to medium surf. Whether you’re surfing playful points or punchy beach breaks, this setup gives you speed with confidence and control.

Experience the best of both worlds with the FCS II AM Surfboard Twin Fin with Trailer Fin—a balanced setup blending twin fin freedom with the control of a thruster.

FCS II AM Surfboard Twin Fin with Trailer Fin brief info

More Information
BrandFCS
Fin SystemFCS II Fins
Fin SetupTwin Fin
Fin SizeXL (Over 85Kg / 190 Lbs)

Shipping Details

Shipping Option Details
Free Shipping (USA) Orders over $75 within the Continental USA qualify for free shipping. This excludes surfboards, skateboards, surfboard bags, and other oversized items.
Oversized Items Oversized items like surfboards and certain skateboard items do not qualify for free shipping. Shipping rates for these items are calculated live in the cart or at checkout based on their size and weight.
Surfboards Under 5'11" and 21" Wide Surfboards under 5'11" in length and 21" in width can ship via standard UPS without an additional surcharge. Live shipping rates are quoted in the cart or at checkout, offering an accurate cost based on the shipping destination.
Surfboards Over 5'11" or 21" Wide Surfboards over 5'11" in length or wider than 21" are considered oversized by UPS and incur a UPS Oversize Package surcharge of $160-$235, in addition to the standard shipping cost. This fee is quoted live in the cart or at checkout. Rider Shack does not control these UPS-imposed fees.
Surfboards Over 8' Surfboards longer than 8' exceed standard UPS shipping size limits and cannot be shipped via UPS. These are available for in-store pickup or airport pickup, with the latter option typically costing around $200. For airport pickup arrangements, please contact us directly for a personalized quote.
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