StabilTrac Paddle Board Fin | Universal SUP Replacement Fin

The Right Fin for Every Condition

Not all water is the same — and neither are fins. The StabilTrac Sport 4"/9"/15" Paddle Board Fin set gives you the flexibility to tune your board's performance to match your paddling environment. Switch between sizes to optimize for flatwater speed, open water stability, or shallow river runs.

Size Guide

• 4" Fin — Ideal for shallow water, rivers, and SUP surfing. Minimizes drag and prevents bottom strikes.
• 9" Fin — The all-around choice. Balanced tracking and maneuverability for lakes and coastal paddling.
• 15" Fin — Maximum tracking for open water touring and downwind runs. Locks your board on course.

Key Features

• Three sizes to cover every paddling scenario
• Universal US fin box compatible
• Durable construction built to withstand regular use
• Lightweight and easy to swap on the water
• Compatible with all StabilTrac Sport boards and most inflatable SUPs