The FCS II Mayhem Small Surfboard Fins are the signature fins from ...Lost shaper Matt “Mayhem” Biolos, designed for fast, controlled surfing with a lively feel underfoot. Featuring a neutral template with a wide base, these fins generate extra drive and hold through hard, arcing turns while maintaining exceptional release and maneuverability. Perfect for performance shortboards, the Mayhem fins are built to accelerate through turns and keep your surfing dynamic and powerful.
Key Features
Matt “Mayhem” Biolos Signature Design: Created by the legendary ...Lost shaper for versatile, performance-driven surfing.
Neutral Template with Wide Base: Provides extra drive and hold through carving turns while maintaining quick response.
Performance Core Carbon (PCC) Construction: Lightweight, high-strength build that enhances speed, stiffness, and release.
Balanced Feel: Combines drive, control, and release—ideal for a wide range of conditions and board types.
FCS II Tool-Less System: Easily install or remove fins without screws or keys for quick setup changes.
Small Size Thruster Set: Suited for lighter surfers or those seeking a loose, responsive fin feel.
Why Choose the FCS II Mayhem Fins?
The FCS II Mayhem Fins bring the design expertise of Matt Biolos into a fin that performs in all conditions. The combination of drive and release makes them perfect for aggressive carves, tight turns, and progressive surfing. With their Performance Core Carbon construction, these fins accelerate quickly out of turns while maintaining consistent flex and control.
Unleash your board’s full potential with the FCS II Mayhem Small Surfboard Fins—a versatile, high-performance set designed for speed, power, and precision.
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.
