---
product_id: 184695039
title: "FCS II Reactor PC Quad Rear Fins Charcoal/Black Medium"
brand: "fcs"
price: "644.86 DT"
currency: TND
in_stock: true
category: "Fcs"
url: https://www.desertcart.tn/products/184695039-fcs-ii-reactor-pc-quad-rear-fins-charcoal-black-medium
store_origin: TN
region: Tunisia
---

# Upright template for sharper turns Optimized for hollow beach break waves Polycarbonate build for durability & flex FCS II Reactor PC Quad Rear Fins Charcoal/Black Medium

**Brand:** fcs
**Price:** 644.86 DT
**Availability:** ✅ In Stock

## Summary

> 🏄‍♂️ Ride the wave of precision and speed with FCS II Reactor PC Quad Fins!

## Quick Answers

- **What is this?** FCS II Reactor PC Quad Rear Fins Charcoal/Black Medium by fcs
- **How much does it cost?** 644.86 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/184695039-fcs-ii-reactor-pc-quad-rear-fins-charcoal-black-medium)

## Best For

- fcs enthusiasts

## Why This Product

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

## Key Features

- • **Pro-Grade Speed Boost:** Designed with top surfers to maximize acceleration on every wave
- • **Precision Pivot Control:** Smaller center fin enhances tail release for agile maneuvers
- • **Tailored for Beach Breaks:** Engineered specifically for hollow waves and quick directional changes
- • **Seamless FCS II Compatibility:** Effortless pull-on system fits performance shortboards with moderate-to-low rocker
- • **Durable Polycarbonate Construction:** Robust yet flexible material ensures longevity and responsive performance

## Overview

The FCS II Reactor PC Quad Rear Fins in Charcoal/Black Medium are high-performance surfboard fins engineered for speed and tight turns, especially on hollow beach break waves. Featuring an upright template and a smaller center fin for enhanced pivot and tail release, these polycarbonate fins fit seamlessly into the FCS II system, making them the preferred choice of elite surfers and shapers worldwide.

## Description

Speed ​& tight turns. Ideal for beach breaks.

## Features

- Upright template allows for tighter, more acute directional changes.
- OverviewDesigned for speed and tight turns, with added tail release.
- Smaller centre fin for increased pivot and tail release.
- Designed in collaboration with the world's leading surf athletes and surfboard shapers, the FCS range offers a diverse range of surfboard accesories suited to a variety of board models, wave conditions and surfing styles. FCS fins are the preferred choice by the world’s best surfers and shapers.
- - Quad Rear (2 fin) set.Ideal ConditionsSuitable for hollow waves, particularly good for beach breaks.Board TypesDesigned to fit the FCS II Fin System. - Recommended for performance shortboards with moderate-to-low rocker.Fin FamilyReactor: Find Speed. Speed, tight turns & snaps.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B084ZXRSJ2 |
| Age Range Description | Adult |
| Best Sellers Rank | #440,425 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #294 in Surfing Fins |
| Brand Name | FCS |
| Closure Type | Pull-On |
| Color | Charcoal/Black |
| Customer Reviews | 4.8 4.8 out of 5 stars (27) |
| Fit Type | Regular |
| Manufacturer | FCS |
| Manufacturer Part Number | FREA-PC04-MD-RS-R |
| Material Type | Polycarbonate (PC) |
| Model Number | model |
| Number of Items | 1 |
| Sport Type | Surfing |
| Unit Count | 1 Count |

## Product Details

- **Brand:** FCS
- **Color:** Charcoal/Black
- **Fit Type:** Regular
- **Material:** Polycarbonate (PC)
- **Sport:** Surfing

## Images

![FCS II Reactor PC Quad Rear Fins Charcoal/Black Medium - Image 1](https://m.media-amazon.com/images/I/51gnKYkBMkL.jpg)

## Questions & Answers

**Q: Is its  a set our just one?**
A: It's a set of two back fins.

**Q: how many come in the package?**
A: Hi there, thank you for reaching out! Two fins come in the package.

**Q: What is the foil?**
A: The fin foil is an aerodynamic shape from front to back of the fin. Much like the wings on an plane, this foil generates lift under the board. A fin is usually going to get thicker through the center of the fin and taper smaller out towards the edges

**Q: Can I use these rears with the front fins of my reator thruster fin set?**
A: Yes they are the rear 2 fins that will convert your tri fin set up to a quad.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/184695039-fcs-ii-reactor-pc-quad-rear-fins-charcoal-black-medium](https://www.desertcart.tn/products/184695039-fcs-ii-reactor-pc-quad-rear-fins-charcoal-black-medium)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-22*