---
title: "Cpm Machine Knee — $219K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/cpm-machine-knee"
last_updated: "2026-07-21T17:41:11.219Z"
locale: en
meta:
description: "Niche score 41/100 · $219K/yr market · 138K searches/yr · $241.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $219K/yr market · 138K searches/yr · $241.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cpm Machine Knee — $219K/yr Amazon US Niche (2026) - Flapen"
---
# **cpm machine knee**
**Skip it**
Weak search conversion (0.7%) — this niche doesn't clear our bar today.
Market size 42Growth 20Conversion 8Competition 70Returns 36Price range 10Avg price 40Brand share 53Review moat 72Quality gap 58
**Review moat**
**Good****617**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****43%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$219K**
$219K/yr · 138K searches
**Avg price**
**Okay****$241.65**
avg listing price — sweet spot $15–$100
**Returns**
**Okay****4.7%**
return rate — above 6% kills the launch gate
**Growth**
**Bad****-10.3%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****$19.66–$840.05**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, cpm machine knee is a $219K/yr Amazon United States market (138K searches/yr). The top 5 brands hold 73% of demand. Verdict: Skip it — 41/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cpm machine knee market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$181K–$242K**
- units × avg price
- **Launch success**
- **21%**
- 3 of 14 new (360d)
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#1,831**
- **Page quality**
- **0%**
- **Prime**
- **77%**
- **Sponsored**
- **83%**
- **Out of stock**
- **24.2%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▼falling
**Sellers**
**35**
**Top-5 brand share**
**73%**
Top 20: 99%
**Top-5 click share**
**43%**
Top 20: 91%
**Open market**
**27%**
- SVZIOOG33% - Generic15% - SOOTHEFFECT7% - Katywixu7% - SKYRO6% - Movao6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -10.3% search growth over the last 90 days.
4K3KHoliday '24Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/cpm-machine-knee/trend)
## **Top cpm machine knee search terms**
- **cpm machine knee after surgery**35K/yr-30.1%0.3% conv. - **cpm machine knee**23K/yr+27.6%0.3% conv. - **cpm machine**22K/yr-10.2%0.2% conv. - **knee flexion machine**8K/yr+9.3%0.5% conv. - **cpm machine for knee**7K/yr+7.5%0.3% conv. - **continuous passive motion machine**8K/yr+4.5%0.2% conv. - **knee bending machine**9K/yr-26.5%0.5% conv. - **knee rehab machine**3K/yr+114.2%0.3% conv. - **passive motion machine for knee**4K/yr-4.3%0.5% conv. - **continuous passive motion machine knee**4K/yr+18.2%0.9% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/cpm-machine-knee/search-terms)
## **Top cpm machine knee 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%$9K8%$18K12%$26K16%$35K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)8 products missing review or click data not plotted
All 30 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**FSA/HSA Eligible Electric Knee Glide for Knee Replacement Recovery Aids Kit Knee Therapy Exercise Strengthening Equipment for PCL ACL MCL Knee Surgery Before and After White**SVZIOOG**$191.26**4.8★19 rev](https://www.amazon.com/dp/B0DRXR1SVN) [2**OEM New CPM Machine Knee Exercise Continuous Passive Motion Leg Exercise Unit New**Generic**$624.40**0.0★0 rev](https://www.amazon.com/dp/B0H2FDP96T) [3**Electric Prone Knee Exerciser with Smart Remote Control for Knee Replacement Recovery Aids Kit Knee Therapy Exercise Strengthening Equipment for ACL PCL MCL Gender-Neutral(Left/Right Leg Compatible)2**SVZIOOG**$233.88**4.2★4 rev](https://www.amazon.com/dp/B0GGSF2J49) [4**Knee Replacement Recovery Aids Ice Machine Knee Surgery Recovery Equipment Physical Therapy Equipment**SOOTHEFFECT**$29.35**4.4★428 rev](https://www.amazon.com/dp/B0CJLRL6VW) [5**Electric CPM Machine Knee After Surgery(Prone Position) with Remote Control Knee Therapy Exercise Strengthening Equipment for ACL PCL MCL Rehabilitation Gender-Neutral-Left/Right Leg**Katywixu**$210.20**0.0★0 rev](https://www.amazon.com/dp/B0G1LKGJPR)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CPM Machine for Knee Exercise Continuous Passive Motion Leg Rehabilitation Unit Easy to Use Physical Therapy Equipment for Post-Surgery Recovery Adjustable Professional & Effective Home Use**Generic**$840.05**0 rev1mo ago](https://www.amazon.com/dp/B0H33LD9FW) [**OEM New CPM Machine Knee Exercise Continuous Passive Motion Leg Exercise Unit New**Generic**$624.40**0 rev1mo ago](https://www.amazon.com/dp/B0H2FDP96T) [**Electric CPM Machine Knee After Surgery Replacement Automatic Knee Flexion Machine for PCL ACL MCL Continuous Passive Motion Leg Press for Rehab/ Low-Impact Leg Trainer/Orthopedic Recovery**Morzhunis**$200.00**0 rev2mo ago](https://www.amazon.com/dp/B0GZTVMW3G) [**Draviple Electric Knee Glide Smart Remote Knee Strengthening Device**Draviple**$193.12**1 rev2mo ago](https://www.amazon.com/dp/B0GXJS8R7P) [**Electric Prone Knee Exerciser with Smart Remote Control for Knee Replacement Recovery Aids Kit Knee Therapy Exercise Strengthening Equipment-Black**SVZIOOG**$226.60**2 rev3mo ago](https://www.amazon.com/dp/B0GSVQQJC2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CPM Machine for Knee Exercise Continuous Passive Motion Leg Rehabilitation Unit Easy to Use Physical Therapy Equipment for Post-Surgery Recovery Adjustable Professional & Effective Home Use**Generic**$840.05**0.0★**▲ 176%**](https://www.amazon.com/dp/B0H33LD9FW) [**Electric Prone Knee Exerciser with Smart Remote Control for Knee Replacement Recovery Aids Kit Knee Therapy Exercise Strengthening Equipment-Black**SVZIOOG**$226.60**5.0★**▲ 174%**](https://www.amazon.com/dp/B0GSVQQJC2) [**OEM New CPM Machine Knee Exercise Continuous Passive Motion Leg Exercise Unit New**Generic**$624.40**0.0★**▲ 173%**](https://www.amazon.com/dp/B0H2FDP96T) [**Electric CPM Machine Knee After Surgery Replacement Automatic Knee Flexion Machine for PCL ACL MCL Continuous Passive Motion Leg Press for Rehab/ Low-Impact Leg Trainer/Orthopedic Recovery**Morzhunis**$200.00**0.0★**▲ 173%**](https://www.amazon.com/dp/B0GZTVMW3G) [**Frylr Portable Wooden Slant Board for Calf Stretching and Exercise Adjustable Incline Wedge for Squats and Balance Ankle Knee and Heel Support Professional Physical Therapy Equipment Wood**Frylr**$25.04**4.7★**▲ 173%**](https://www.amazon.com/dp/B0FVDY42WW)
**~~View all trending →~~**
## **What buyers say about cpm machine knee**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**14%
*“Great product as described”*
**Ease Of Use**14%
*“Easy to open”*
**Noise Level**8%
*“Nice n quiet”*
**Advertised Vs Actual Product**8%
*“As described”*
**Efficiency**7%
*“Works well for what I need”*
**Comfort-Overall**6%
*“Extremely comfortable”*
**Value For Money**6%
*“Great value”*
**Exercise/Sports Suitability**4%
*“Very nice exercise”*
**Weight Light**3%
*“Lightweight easy to move”*
**Pain Relief-Overall**2%
*“Now I have less pain”*
### **What buyers complain about **
**Durability**8%
*“Broke after two weeks”*
**Noise Level**7%
*“very noisy”*
**Functionality-Overall**6%
*“probably not effective”*
**Instructions/User Manual/Troubleshooting**5%
*“no user manual”*
**Exercise/Sports Suitability**5%
*“ineffective for exercise”*
**Weight Heavy**4%
*“Its kinda bulky”*
**Ease Of Use**3%
*“I had a hard time getting it to work”*
**Size-Overall**3%
*“This is smaller”*
**Value For Money**3%
*“not money well spent”*
**Quality-Overall**3%
*“there seems to be a consistency or quality control issue”*
### **Top return reasons **
**Functionality-Overall**18%
**Size-Overall**11%
**Advertised Vs Actual Product**11%
**Noise Level**7%
**Defective Material/Parts**6%
**Ease Of Use**6%
**Weight Heavy**4%
**Value For Money**3%
**Exercise/Sports Suitability**3%
**Comfort-Overall**3%
## **Common questions**
- **Is cpm machine knee profitable to sell on Amazon United States?**
- The niche generates $219K/yr across 30 tracked products. 3 of 14 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Skip it (41/100).
- **How competitive is the cpm machine knee niche?**
- 22 brands and 35 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 73% of demand.
- **What do buyers complain about in cpm machine knee?**
- Top complaints mined from reviews: Durability, Noise Level, Functionality-Overall. The return rate is 4.7%.
- **When does demand for cpm machine knee peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the cpm machine knee niche?**
- Listings span $19.66–$840.05; the average listing price is $241.65 (sweet spot $15–$100). The average incumbent carries 617 reviews — the moat a new listing must climb.
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