EU-SHIPPING ONLY
LIMITED PRELAUNCH DEAL
PORTAL-FIN
portalV1
€185.00
€166.50
VAT Included
|
EU Shipping Included
PERFORMANCE KITEBOARDING FIN
🇦🇹 MADE & DESIGNED IN AUSTRIA 🇦🇹
Powerful Take-Offs.
Ultimate Control.
Increased Windrange.
Our patented PORTAL-Fin is designed for riders pushing their limits. Its unique hollow profile (BoxWing) optimizes water flow, delivering exceptional grip, stability, and upwind performance. Send it bigger, edge harder and land with full control – the PORTAL-Fin elevates every aspect of your ride like never before.
One set includes 4 Fins, 4 Topmounts, 4 Spacers and 8 Screws (F-ONE-Adapter optional).
Quantity
FIRST BATCH SOLD OUT! All prelaunch deal orders will be shipped by May 15th, 2025 at the latest.
KEY FEATURES
01
Enhanced Grip & Control
Holds more edge to handle high pressure, enabling powerful take-offs and smooth, controlled landings.
02
Upwind Performance
Generates additional line tension and lift for better upwind angles and a wider wind range.
03
Chop Absorption
Calms your board in rough conditions so you can stay focused and in control.​
04
Landing Stability
Unique BoxWing-geometry prevents stalling, offering confidence even in sketchy landings.
05
Innovative Topmount
The sleek, Topmount-system ensures clean aesthetics and extra deck grip during board-offs.​
06
Durable & Lightweight
42 g per fin, made from TR90 UV polyamide and A4 stainless hardware.
Discipline
Ideal for Big Air, Freeride, and Performance Riding. Boosts upwind drive, increases grip and stability and absorbs chop without sacrificing flow or control.
Compatibility
Designed to fit the vast majority of twintips on the market – supports M5, M6, and F-One Standard screw patterns.
​
Known incompatibility: Naish Monarch 2024 | Future F14 | Shinn ADHD 2021
Material
Polyamide TR90 UV – A high-performance polymer known for exceptional strength, chemical resistance, and long-term UV stability. Proven in demanding applications like racing windshields, medical devices, and automotive parts. Ideal for harsh marine conditions.
Hardware
All components are made from A4 marine-grade stainless steel, including screws and nuts, to ensure long-term corrosion resistance and reliability in saltwater environments.
Weight
One fin weighs 42 g—including screw, topmount, and spacer, matching the weight of most standard 50 mm fins while delivering next-level grip, control, and upwind performance.
Mounting System
Bottom-up mounting system with internal threads and a innovative TopMount – ensures clean deck aesthetics, eliminates thread-related drag, and adds grip for board-offs.
Note: A standard Phillips screwdriver is required for installation.
What’s Included
Full set includes: 4 Portal-Fins, 4 TopMounts, 4 spacers, 8 stainless steel mounting screws and surprise goodies :)
Innovation Status
The BoxWing geometry has been successfully used in aviation and motorsports. We were the first to adapt and patent this concept specifically for kiteboard fins – unlocking its full potential on the water.