---
product_id: 577743545
title: "Surfboard Twin Keel Fins (2 Fins) Black - Nylon and Fiberglass for Double Tab FCS/FCS II Surf Boards"
brand: "up100"
price: "€ 37.87"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/577743545-surfboard-twin-keel-fins-2-fins-black-nylon-and-fiberglass
store_origin: HR
region: Croatia
---

# Lightweight & High-Strength Smooth Arcs for Stability Double Tab Compatible Surfboard Twin Keel Fins (2 Fins) Black - Nylon and Fiberglass for Double Tab FCS/FCS II Surf Boards

**Brand:** up100
**Price:** € 37.87
**Availability:** ✅ In Stock

## Summary

> Catch the Wave of Innovation! 🌊

## Quick Answers

- **What is this?** Surfboard Twin Keel Fins (2 Fins) Black - Nylon and Fiberglass for Double Tab FCS/FCS II Surf Boards by up100
- **How much does it cost?** € 37.87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/577743545-surfboard-twin-keel-fins-2-fins-black-nylon-and-fiberglass)

## Best For

- up100 enthusiasts

## Why This Product

- Trusted up100 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Design:** Constructed from solid fiberglass and nylon for long-lasting performance.
- • **Easy Installation:** Double tab compatibility makes setup a breeze for any surf enthusiast.
- • **Precision Engineering:** Flat foil design ensures optimal water flow and maneuverability.
- • **Crafted for Performance:** Designed specifically for twin-fin fish surfboards, both modern and retro.
- • **Ride the Wave with Confidence:** Experience unmatched stability and control at top speeds.

## Overview

The UP100 Surfboard Twin Keel Fins are a set of two high-performance fins designed for double tab FCS/FCS II surfboards. Made from a lightweight and durable nylon and fiberglass reinforced polymer, these fins provide exceptional stability and control, making them perfect for both modern and retro twin-fin fish surfboards. With a flat foil design for optimal water flow, they are easy to install and ready to enhance your surfing experience.

## Description

UP100Surfboard Twin Keel Fins (2 Fins) Black - Nylon and Fiberglass for Double Tab FCS/FCS II Surf Boards

## Features

- Set of 2 fins that are double tab compatible; Surf Twin Fin Set + Keel Fins (2 Fins) - Solid Fiberglass and Nylon- for Double Tab Surf Boards, Shortboard
- Designed for twin-fin fish surfboards, both modern and retro boards.
- Made of lightweight, high-strength Nylon and Fiberglass Reinforced Polymer material, Slice smooth sweeping arcs Offering stability and control at top speed
- Flat foil - approx Base: 160mm & 6.3". Height: 118mm & 4.65"
- Packing Content: 2 x Fins

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Black |
| Style | Double Tab F II |
| Shape | for FCS II |
| Batteries included? | No |
| Brand | UP100 |
| Manufacturer | UP100 |
| Manufacturer reference | 09010381 |
| ASIN | B0B53CJY54 |

## Images

![Surfboard Twin Keel Fins (2 Fins) Black - Nylon and Fiberglass for Double Tab FCS/FCS II Surf Boards - Image 1](https://m.media-amazon.com/images/I/51pFsCAIw4L.jpg)

## Available Options

This product comes in different **Item Shape** options.

## Frequently Bought Together

- UP100 Surfboard Twin Keel Fins (2 Fins) Black - Nylon and Fiberglass for Double Tab FCS/FCS II Surf Boards
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- Mrs Palmers Cold Water Surfboard Wax 1 x 70g Block

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**Shop now:** [https://www.desertcart.hr/products/577743545-surfboard-twin-keel-fins-2-fins-black-nylon-and-fiberglass](https://www.desertcart.hr/products/577743545-surfboard-twin-keel-fins-2-fins-black-nylon-and-fiberglass)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-10-01*