---
product_id: 122164856
title: "Circle One Quad Fin Set (FCS compatible M5 + G-X spec)"
brand: "circle one"
price: "S/.249"
currency: PEN
in_stock: true
category: "Circle One"
url: https://www.desertcart.pe/products/122164856-circle-one-quad-fin-set-fcs-compatible-m5-g-x
store_origin: PE
region: Peru
---

# 4-fin quad setup for max speed & control Engineered flex & tip response for precision FCS G-X compatible with FCS II & Fusion boxes Circle One Quad Fin Set (FCS compatible M5 + G-X spec)

**Brand:** circle one
**Price:** S/.249
**Availability:** ✅ In Stock

## Summary

> 🏄‍♂️ Elevate your surf game with precision fins that keep you ahead of the pack!

## Quick Answers

- **What is this?** Circle One Quad Fin Set (FCS compatible M5 + G-X spec) by circle one
- **How much does it cost?** S/.249 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/122164856-circle-one-quad-fin-set-fcs-compatible-m5-g-x)

## Best For

- circle one enthusiasts

## Why This Product

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

## Key Features

- • **Always Be Ready:** Perfect as a spare set to keep you surfing without interruption—never miss a wave.
- • **Durable & Dynamic:** Crafted from tough plastic composite, engineered for flex and tip control that adapts to every turn.
- • **Precision Dimensions:** Front fins: 4.37in base, 4.55in depth; Rear fins: 3.88in base, 3.80in depth—optimized for balance and drive.
- • **Seamless Compatibility:** Fits effortlessly with FCS II and Fusion finbox systems thanks to the advanced G-X template.
- • **Ride the Wave Like a Pro:** Quad fin design delivers unmatched speed and sharp responsiveness for the ultimate surf experience.

## Overview

The Circle One Quad Fin Set is a high-performance surfboard fin replacement compatible with FCS II and Fusion systems. Featuring a robust 4-fin quad design made from tough plastic composite, it offers engineered flex and tip responsiveness for fast, agile rides. With precise front and rear fin dimensions, this set ensures optimal speed, control, and durability—ideal for serious surfers seeking to maximize their wave-riding potential.

## Description

Shop Quad Fin Set (FCS compatible M5 + G-X spec), White. Free delivery and returns on all eligible orders.

## Features

- Surfboard Quad (4 Fin) Replacement Set
- FCS G-X template compatible with FCS II and FCS Fusion finbox systems
- Tough plastic composite fin with engineered flex and tip respons. Robust upright template for fast and responsive ride
- Excellent option as a spare fin set
- FRONT Fin Specification: BASE 4.37inch/111mm - DEPTH 4.55inch/115mm - AREA 14.76inch/9525mm - SWEEP 33REAR: BASE 3.88inch/98mm - DEPTH 3.80inch/96mm - AREA 11.22inch/7238mm - SWEEP 30.7

## Images

![Circle One Quad Fin Set (FCS compatible M5 + G-X spec) - Image 1](https://m.media-amazon.com/images/I/51YjxBNHNAL.jpg)
![Circle One Quad Fin Set (FCS compatible M5 + G-X spec) - Image 2](https://m.media-amazon.com/images/I/51Fx395JCtL.jpg)

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**Shop now:** [https://www.desertcart.pe/products/122164856-circle-one-quad-fin-set-fcs-compatible-m5-g-x](https://www.desertcart.pe/products/122164856-circle-one-quad-fin-set-fcs-compatible-m5-g-x)

---

*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-08-28*