---
title: "Myzone Replacement Strap — $36K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/myzone-replacement-strap"
last_updated: "2026-07-21T17:40:15.283Z"
locale: en
meta:
description: "Niche score 34/100 · $36K/yr market · 54K searches/yr · $67.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $36K/yr market · 54K searches/yr · $67.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Myzone Replacement Strap — $36K/yr Amazon US Niche (2026) - Flapen"
---
# **myzone replacement strap**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 9Growth 19Conversion 12Competition 58Returns 37Price range 54Avg price 87Brand share 0Review moat 22Quality gap 83
**Avg price**
**Great****$67.82**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Good****$10.76–$167.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****4.5%**
return rate — above 6% kills the launch gate
**Review moat**
**Bad****10,131**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-11.4%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.0%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$36K**
$36K/yr · 54K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, myzone replacement strap is a $36K/yr Amazon United States market (54K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 34/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **myzone replacement strap market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$136K–$170K**
- units × avg price
- **Launch success**
- **—**
- 0 of 1 new (360d)
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#506**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **5.8%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **166 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**5 **▲rising
**Sellers**
**37**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 100%
**Open market**
**0%**
- MYZONE46% - POLAR22% - Rich Green Valley21% - AliveCor7% - Garmin3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.4% search growth over the last 90 days.
2K2KSpike '24Holiday '24Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/myzone-replacement-strap/trend)
## **Top myzone replacement strap search terms**
- **myzone**19K/yr-4.3%1.5% conv. - **myzone heart rate monitor**16K/yr-10.5%2.4% conv. - **my zone heart monitor**8K/yr-11.6%2.6% conv. - **my zone**6K/yr-18.6%1.3% conv. - **myzone switch**3K/yr-8.7%4.9% conv. - **myzone mz3**2K/yr-44.8%0.7% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/myzone-replacement-strap/search-terms)
## **Top myzone replacement strap products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$1K8%$3K12%$4K16%$6K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Myzone MZ-Switch Physical Activity Heart Rate Monitor A Water Proof Fitness Tracker for Wrists Arms & Chest**MYZONE**$133.95**4.1★244 rev](https://www.amazon.com/dp/B091HV417Q) [2**Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth Waterproof HR Sensor for Men and Women Black M-XXL**POLAR**$95.89**4.2★26,663 rev](https://www.amazon.com/dp/B07PM54P4N) [3**Rich Green Valley Heart Rate Monitor Chest Strap for myzone Replacement Strap Compatible with MYZONE MZ-3 MZ-1 Strap SweatProof & Waterproof Pro Chest Belt (Red XL-Large)**Rich Green Valley**$16.82**4.1★65 rev](https://www.amazon.com/dp/B0CP5WZQFB) [4**Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth Waterproof HR Sensor for Men and Women Red M-XXL**POLAR**$97.71**4.2★26,663 rev](https://www.amazon.com/dp/B09NV6H62Y) [5**Rich Green Valley Heart Rate Monitor Chest Strap for myzone Replacement Strap Compatible with MYZONE MZ-3 MZ-1 Strap SweatProof & Waterproof Pro Chest Belt (Red Medium)**Rich Green Valley**$16.77**4.1★65 rev](https://www.amazon.com/dp/B0C891VC82)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Myzone Max - Physical Activity Fitness Tracker for Your Chest Bluetooth Connectivity and Waterproof Device for Sport and Fitness Activities**MYZONE**$148.13**21 rev8mo ago](https://www.amazon.com/dp/B0FXH5VL4C) [**Garmin HRM 600 Premium Heart Rate Monitor Accurate Heart Rate and HRV Data Running Dynamics Stand-Alone Activity Recording M-XL**Garmin**$167.90**1,073 rev1y ago](https://www.amazon.com/dp/B0F7ZGDDCX) [**Myzone Adjustable Strap Extender Expands Any Myzone Chest Strap for a Custom Fit Ideal for All Body Types and Workout Styles**MYZONE**$10.76**832 rev2y ago](https://www.amazon.com/dp/B0CT3CDS73) [**Rich Green Valley Heart Rate Monitor Chest Strap for myzone Replacement Strap Compatible with MYZONE MZ-3 MZ-1 Strap SweatProof & Waterproof Pro Chest Belt (Red XL-Large)**Rich Green Valley**$16.82**65 rev2y ago](https://www.amazon.com/dp/B0CP5WZQFB) [**Myzone MZ-3 Sports Bra (Small) Black Supportive and Comfortable Gym Bra for Women Designed to Secure the MZ-3 Chest Strap During Fitness Training**MYZONE**$15.66**16 rev2y ago](https://www.amazon.com/dp/B0CHB1FYG1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**KardiaMobile 1-Lead EKG Monitor Medical-Grade FDA-Cleared Personal Heart Monitor Detects Normal AFib & Arrhythmias 30 Second Results Works with Most Smartphones HSA&FSA Eligible**AliveCor**$73.89**4.4★**▲ 101%**](https://www.amazon.com/dp/B01A4W8AUK) [**Myzone Adjustable Strap Extender Expands Any Myzone Chest Strap for a Custom Fit Ideal for All Body Types and Workout Styles**MYZONE**$10.76**4.6★**▲ 78%**](https://www.amazon.com/dp/B0CT3CDS73) [**Garmin HRM 600 Premium Heart Rate Monitor Accurate Heart Rate and HRV Data Running Dynamics Stand-Alone Activity Recording M-XL**Garmin**$167.90**4.6★**▲ 77%**](https://www.amazon.com/dp/B0F7ZGDDCX) [**Rich Green Valley Compatible with Myzone MZ-3 Strap and MZ-1 Chest Belt Heart Rate Monitor chest Straps Red Standard**Rich Green Valley**$15.71**4.1★**▲ 76%**](https://www.amazon.com/dp/B09MKMZYCW) [**Myzone MZ-Switch & Myzone Max Adjustable Replacement Chest Strap (Medium) Comfortable & Secure Fit for Fitness Tracking Ideal for Home Workouts & Gym Training**MYZONE**$19.93**4.6★**▲ 72%**](https://www.amazon.com/dp/B07ZR4XTBZ)
**~~View all trending →~~**
## **What buyers say about myzone replacement strap**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**19%
*“easy to operate”*
**Quality-Overall**13%
*“Excellent Product”*
**Efficiency**11%
*“It works”*
**Value For Money**7%
*“Worth every cent”*
**Compatibility-Overall**7%
*“Pairing with your phone is straightforward”*
**Advertised Vs Actual Product**6%
*“As advertised”*
**Software/Application**6%
*“the app is user friendly”*
**Connectivity-Overall**3%
*“easy to use and connect”*
**Health Monitoring**2%
*“Its accurate when I work out my friends could join in our activities”*
**Battery Life**2%
*“Battery life is decent”*
### **What buyers complain about **
**Connectivity-Overall**18%
*“Never connected”*
**Durability**13%
*“Died in 3 days”*
**Functionality-Overall**10%
*“Questionable functionality”*
**Value For Money**8%
*“Too expensive to not even last a year”*
**Software/Application**6%
*“The app is horrible and doesnt work”*
**Compatibility-Overall**5%
*“Compatibility Problems”*
**Battery Life**5%
*“Battery life is terrible”*
**Quality-Overall**5%
*“garbage, stopped working after a week”*
**Ease Of Use**4%
*“Difficult to use”*
**Measurement/Reading Accuracy**3%
*“Started getting erratic readings”*
### **Top return reasons **
**Functionality-Overall**17%
**Connectivity-Overall**16%
**Compatibility-Overall**12%
**Advertised Vs Actual Product**9%
**Measurement/Reading Accuracy**8%
**Value For Money**6%
**Size-Overall**6%
**Software/Application**5%
**Ease Of Use**4%
**Defective Material/Parts**3%
## **Common questions**
- **Is myzone replacement strap profitable to sell on Amazon United States?**
- The niche generates $36K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.4%. Flapen's verdict: Skip it (34/100).
- **How competitive is the myzone replacement strap niche?**
- 5 brands and 37 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in myzone replacement strap?**
- Top complaints mined from reviews: Connectivity-Overall, Durability, Functionality-Overall. The return rate is 4.5%.
- **When does demand for myzone replacement strap peak?**
- Demand peaks in Jan; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the myzone replacement strap niche?**
- Listings span $10.76–$167.90; the average listing price is $67.82 (sweet spot $15–$100). The average incumbent carries 10,131 reviews — the moat a new listing must climb.
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