STCO Keel Fins – Fiberglass Twin-Fin Surfboard Fins for Speed & Drive

Overview

Fine-tune your twin-fin surfboard with STCO Keel Fins, designed to deliver speed, drive, and smooth, controlled turns. Combining a classic keel-inspired profile with modern design refinements, these fins complement both modern and retro twin-fin surfboards.

Hand-finished fiberglass construction and a stiff flex profile provide a solid, responsive feel through turns, making these fins a versatile choice for surfers who value speed, trim, and directional control.

Key Features & Benefits

• Speed and Drive: Designed to help generate and maintain speed through turns and down-the-line surfing.

• Smooth, Sweeping Turns: The keel-inspired design supports flowing turns and a connected feel on the wave.

• Controlled Performance: Built to balance drive, trim, and directional stability.

• Stiff Flex Profile: Delivers a firm, responsive feel under pressure.

• Hand-Finished Fiberglass: Durable fiberglass construction with a carefully finished surface.

• Modern Meets Retro: Designed for compatibility with a variety of modern and classic twin-fin surfboard designs.

• Futures-Compatible Fin Box: Designed for compatible Futures-style fin boxes.

• Suitable for All Skill Levels: A versatile option for beginners through experienced surfers, depending on board setup and conditions.

Why These Fins Stand Out

STCO Keel Fins combine the characteristics of a traditional keel fin with modern refinements intended to support responsive twin-fin surfing. They are designed for surfers looking to maintain speed, carry drive through turns, and enjoy a smooth, flowing ride.

Specifications

Who Are These Fins For?

• Twin-fin surfers seeking more speed and drive

• Riders who enjoy smooth, sweeping turns

• Surfers riding modern or retro twin-fin boards

• Beginners and experienced surfers looking to refine their fin setup

Compatibility & Care

Before ordering, confirm that your surfboard has compatible Futures-style fin boxes and that the fin dimensions suit your board and riding style. Rinse the fins with fresh water after surfing and inspect the fin bases and attachment hardware regularly.

Please note: The supplier's description does not specify fin dimensions or the quantity included. Confirm whether the listing is for a single fin or a set before publishing.