3.7" + 7" 2+1 Fin Set – Black Pro Glass | FCSII Compatible Side Fins (3 fins)

Balanced trim, controlled turning, and dependable stability for longboards and mid-length surfboards.

The 3.7" + 7" 2+1 Fin Set in Black Pro Glass is a traditional three-fin configuration designed to provide stable trim, smooth rail engagement, and predictable turning response across a wide range of surf conditions. The set includes a 7" center fin for primary hold and directional control, paired with 3.7" side fins that add rail stability and assist turning without excessive drag.

Constructed from solid Pro Glass fiberglass, each fin delivers consistent flex characteristics, structural durability, and reliable energy transfer through turns. The neutral, time-tested templates support flowing direction changes and controlled carving suited to longboards, mid-lengths, and hybrid surfboards.

The machined fiberglass finish reflects classic fin construction and maintains visual clarity in the water. The side fins are designed for FCSII-compatible dual tab systems, while the center fin fits standard sliding center fin box installations used on most 2+1 surfboards.

Key features

• Complete 2+1 fin configuration including one 7" center fin and two 3.7" side fins

• Pro Glass fiberglass construction for consistent flex and durability

• Neutral templates supporting balanced trim, hold, and turning control

• Side fins sized to enhance rail stability without unnecessary resistance

• Machined fiberglass finish with traditional appearance

• FCSII-compatible dual tab side fins

• Center fin designed for standard sliding center fin box systems

• Set of three fins

Ideal for

• Longboards and mid-length surfboards using 2+1 setups

• Surfers seeking balanced trim and controlled turning response

• Everyday surf conditions from small waves to overhead surf

• Boards requiring dependable directional stability with moderate manoeuvrability

Compatibility

• Side fins designed for FCSII-compatible dual tab fin systems

• Center fin fits standard sliding center fin box installations

• Suitable for surfboards configured for 2+1 fin setups

Choose the Right Surfboard Fin Setup

FCS™ and FCSII™ are registered trademarks of Surf Hardware International Pty Ltd. Eveley Surf is not affiliated with or endorsed by Surf Hardware International Pty Ltd. All compatibility references to FCS and FCSII are for descriptive purposes only.