---
product_id: 443101153
title: "MZ-3 Replacement Chest Strap (Medium)"
brand: "myzone"
price: "€ 41.08"
currency: EUR
in_stock: true
reviews_count: 8
category: "Myzone"
url: https://www.desertcart.fr/products/443101153-mz-3-replacement-chest-strap-medium
store_origin: FR
region: France
---

# Durable polyamide & elastane blend Adjustable fit 24.4-34.6 in Compatible with MZ-1, MZ-3, MZ-Switch MZ-3 Replacement Chest Strap (Medium)

**Brand:** myzone
**Price:** € 41.08
**Availability:** ✅ In Stock

## Summary

> 🔥 Level up your workout game with the perfect fit that never quits!

## Quick Answers

- **What is this?** MZ-3 Replacement Chest Strap (Medium) by myzone
- **How much does it cost?** € 41.08 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/443101153-mz-3-replacement-chest-strap-medium)

## Best For

- myzone enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Crafted from premium polyamide and elastane for unmatched comfort, strength, and longevity.
- • **Perfect Fit, Every Time:** Easily adjust from medium to large for a custom, secure fit that moves with you.
- • **Universal Compatibility:** Seamlessly pairs with Myzone MZ-1, MZ-3, and MZ-Switch devices—one strap, multiple workouts.
- • **Inclusive Fitness for All:** Designed to accommodate all body sizes, ensuring no one misses out on personalized heart rate data.
- • **Effortless Performance Tracking:** Stay focused on your goals with a strap that supports your effort, not limits it.

## Overview

The Myzone MZ-3 Replacement Chest Strap (Medium) offers an adjustable, durable, and comfortable fit for users between 24.4 and 34.6 inches. Compatible with Myzone MZ-1, MZ-3, and MZ-Switch devices, it ensures accurate heart rate monitoring for all fitness levels. Made from a high-quality polyamide and elastane blend, this strap supports inclusive, personalized performance tracking, empowering every athlete to push their limits.

## Description

Adjustable replacement strap for the MZ-3 Physical Activity Belt. Standard (M) 24.4 to 34.6 inches X Small (S) 21.25 to 27.6 inches X Large (L) 27.6 to 40.1 inches

Review: a - excelent
Review: Rubber Smell is Unbearable - The strap fits well and works as intended, but the rubber smell after just a few uses is unbearable. I’ve tried multiple cleaning methods, but nothing helps. It’s disappointing that a product like this, which is supposed to be used frequently, can’t handle basic hygiene issues. Would not recommend.

## Features

- FIND YOUR PERFECT FIT: The Myzone Strap Extender offers a hassle-free solution for users who need to size up their chest strap to Large or more
- COMPATABILITY & WARRANTY: Its compatible with the MZ-1, MZ-3 and MZ-Switch. Warranty on any Myzone product can only be approved on Myzone.org
- FOR EVERYONE: Whether you are a fitness enthusiast or a professional athlete, the Myzone Strap Extender accommodates users of all sizes. It recognizes that size shouldn't be a limitation when it comes to fitness, allowing individuals to focus on their effort and performance
- QUALITY MATERIALS: Consisting of Polyamide and Elastane to create a winning combination that allows this strap to be comfortable, strong and durable
- INCLUSIVE: It promotes inclusivity by ensuring that everyone can benefit from the accurate and personalised data of your heart rate monitor

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09TPW441D |
| Best Sellers Rank | #16,004 in Sporting Goods ( See Top 100 in Sporting Goods ) #111 in Exercise Straps |
| Department | Unisex |
| Manufacturer | Myzone |
| Manufacturer reference | STSCH0M0RD00 |
| Package Dimensions | 15.19 x 3.4 x 2.79 cm; 20 g |

## Product Details

- **Brand:** Myzone
- **Colour:** MZ-3
- **Item weight:** 20 Grams
- **Material:** Polyamide
- **Style:** Extension

## Images

![MZ-3 Replacement Chest Strap (Medium) - Image 1](https://m.media-amazon.com/images/I/51b4IIHJlGL.jpg)

## Questions & Answers

**Q: Does this work with the myzone® mz-1?**
A: Yes, it works with both My Zone 1 or My Zone 3.  The belt is universal.

**Q: Will this fit an arm or wrist?**
A: The Myzone MZ-3 Replacement Strap (Small) is a chest strap only for use with the Myzone MZ-3 module and will not fit an arm or wrist.

## Customer Reviews

### ⭐⭐⭐⭐⭐ a
*by U***N on 13 February 2025*

excelent

### ⭐ Rubber Smell is Unbearable
*by A***I on 13 October 2024*

The strap fits well and works as intended, but the rubber smell after just a few uses is unbearable. I’ve tried multiple cleaning methods, but nothing helps. It’s disappointing that a product like this, which is supposed to be used frequently, can’t handle basic hygiene issues. Would not recommend.

### ⭐ Not working, seems bad quality
*by D***H on 19 July 2023*

After 1.5 months the belt stopped connecting with my zone. It became useless. Now as the return window is closed I am stuck with the same. What to do.

## Frequently Bought Together

- MYZONE MZ-3 Replacement Strap (Medium)
- MYZONE MZ-3 Physical Activity Chest Strap Heart Rate Monitor - Fitness & Activity Tracker

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**Shop now:** [https://www.desertcart.fr/products/443101153-mz-3-replacement-chest-strap-medium](https://www.desertcart.fr/products/443101153-mz-3-replacement-chest-strap-medium)

---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-02-22*