---
title: "Leg Extension Bench — $229K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/leg-extension-bench"
last_updated: "2026-07-21T19:53:24.581Z"
locale: en
meta:
  description: "Niche score 42/100 · $229K/yr market · 171K searches/yr · $186.13 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 42/100 · $229K/yr market · 171K searches/yr · $186.13 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Leg Extension Bench — $229K/yr Amazon US Niche (2026) - Flapen"
---

# **leg extension bench**

**Skip it**

Prices mostly outside the sweet spot ($69.08–$442.47) — this niche doesn't clear our bar today.

Market size 43Growth 22Conversion 9Competition 57Returns 81Price range 8Avg price 48Brand share 44Review moat 43Quality gap 57

**Returns**

**Great****1.7%**

return rate — above 6% kills the launch gate

**Competition**

**Good****51%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Okay****$186.13**

avg listing price — sweet spot $15–$100

**Brand share**

**Okay****78%**

top-5 brand share — brands hold most of the demand

**Market size**

**Okay****$229K**

$229K/yr · 171K searches

**Review moat**

**Okay****2,231.15**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-5.8%**

90-day search growth — must beat 0% to launch

**Conversion**

**Bad****0.7%**

search→purchase rate — share of searches ending in a sale

**Price range**

**Bad****$69.08–$442.47**

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United States niche tracking, leg extension bench is a $229K/yr Amazon United States market (171K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Mar. Verdict: Skip it — 42/100.

Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **leg extension bench market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$279K–$372K**</dd><dd>units × avg price</dd>

<dt>**Launch success**</dt><dd>**100%**</dd><dd>10 of 10 new (360d)</dd>

<dt>**Conversion rate**</dt><dd>**0.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#72**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**56%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**7.8%**</dd>

<dt>**Avg brand age**</dt><dd>**34 months**</dd>

<dt>**Avg seller age**</dt><dd>**196 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**15 **▼falling

**Sellers**

**25**

**Top-5 brand share**

**78%**

Top 20: 100%

**Top-5 click share**

**51%**

Top 20: 89%

**Open market**

**18%**

- MARCY36% - YOLEO24% - XCHIEF7% - JELENS6% - OPPSDECOR6% - Keppi Fitness3%

## **Demand & seasonality**

Weekly Amazon search volume, last 56 weeks — -5.8% search growth over the last 90 days.

4K3KPrime Day '25Spike '25Black Friday '25Spike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Mar · busiest ÷ quietest = 1.6×

[**Open Trend **](https://flapen.com/research/us/sports-outdoors/leg-extension-bench/trend)

## **Top leg extension bench search terms**

- **bench with leg extension and curl**42K/yr-5.2%0.6% conv. - **marcy weight bench**35K/yr-16.3%0.7% conv. - **leg extension bench**20K/yr-16.6%0.6% conv. - **marcy bench**14K/yr+0.1%0.8% conv. - **bench with leg extension**15K/yr-2.2%0.6% conv. - **leg curl bench**13K/yr-9.0%0.7% conv. - **weight bench with leg extension and preacher curl**2K/yr+872.8%0.0% conv. - **marcy adjustable weight bench**4K/yr-6.9%0.7% conv. - **leg extension and curl bench**4K/yr-16.9%1.2% conv. - **marcy workout bench**3K/yr+1.8%0.6% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/leg-extension-bench/search-terms)

## **Top leg extension bench 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%10%$23K20%$46K30%$69K40%$92K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 27 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![YOLEO Adjustable Weight Bench for Home Gym ASTM-Certified 827LBS 98% Pre-Assembled Foldable Gym Bench with 84 Positions Incline Decline Flat Wider Seat](https://m.media-amazon.com/images/I/41Y5Lro-ohL.jpg)**YOLEO Adjustable Weight Bench for Home Gym ASTM-Certified 827LBS 98% Pre-Assembled Foldable Gym Bench with 84 Positions Incline Decline Flat Wider Seat**YOLEO**$77.80**4.6★8,924 rev](https://www.amazon.com/dp/B099JZT1WR) [2![Marcy Pro Deluxe Cage System with Weightlifting Bench All-in-One Home Gym Equipment PM-5108](https://m.media-amazon.com/images/I/41EdtLD8sEL.jpg)**Marcy Pro Deluxe Cage System with Weightlifting Bench All-in-One Home Gym Equipment PM-5108**MARCY**$316.24**4.5★423 rev](https://www.amazon.com/dp/B076ZTRSZG) [3![XCHIEF Adjustable Weight Bench - 1000LBS Capacity Heavy Duty Foldable Workout Bench for Full Body Exercise Flat/Incline/Decline Bench Press for Home Gym with Preacher Pad & Leg Extension](https://m.media-amazon.com/images/I/41jjXVPpMeL.jpg)**XCHIEF Adjustable Weight Bench - 1000LBS Capacity Heavy Duty Foldable Workout Bench for Full Body Exercise Flat/Incline/Decline Bench Press for Home Gym with Preacher Pad & Leg Extension**XCHIEF**$144.19**4.4★223 rev](https://www.amazon.com/dp/B0G5N9FTDC) [4![Marcy Adjustable 6 Position Utility Bench with Leg Developer and High Density Foam Padding SB-350 dark gray](https://m.media-amazon.com/images/I/41yg0dmJUmL.jpg)**Marcy Adjustable 6 Position Utility Bench with Leg Developer and High Density Foam Padding SB-350 dark gray**MARCY**$151.50**4.4★5,165 rev](https://www.amazon.com/dp/B00FJ2PL26) [5![JELENS J10 Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym Seated Leg Extension and Lying Curl Machine for Lower Body Workouts (Red Classical)](https://m.media-amazon.com/images/I/41aidTjj7CL.jpg)**JELENS J10 Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym Seated Leg Extension and Lying Curl Machine for Lower Body Workouts (Red Classical)**JELENS**$193.14**4.5★168 rev](https://www.amazon.com/dp/B0FM7SBNQK)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Mikolo Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym Seated Leg Extension and Lying Leg Curl Machine Leg Workout Equipment with 1:1 Resistance System Red](https://m.media-amazon.com/images/I/41DhVqhSGRL.jpg)**Mikolo Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym Seated Leg Extension and Lying Leg Curl Machine Leg Workout Equipment with 1:1 Resistance System Red**Mikolo**$442.47**54 rev2mo ago](https://www.amazon.com/dp/B0H151LLLR) [![Eryntix Adjustable Leg Extension and Curl Machine Foldable Pro Heavy-Duty Weight Bench 1600LBS Workout Bench 21-Position Multifunctional Weight Benchs Iscc Plus Certified for Home Gym](https://m.media-amazon.com/images/I/41uFT+PHw9L.jpg)**Eryntix Adjustable Leg Extension and Curl Machine Foldable Pro Heavy-Duty Weight Bench 1600LBS Workout Bench 21-Position Multifunctional Weight Benchs Iscc Plus Certified for Home Gym**Eryntix**$276.87**20 rev3mo ago](https://www.amazon.com/dp/B0GK74ZD67) [![1200LBS Workout Bench with 3-Level Adjustable & Removable Leg Extension/Leg Curl Adjustable Weight Bench for Home Gym Incline/Flat Bench Press Full Body Workout Universal Fit for All Body Types](https://m.media-amazon.com/images/I/51MZ8uh4tTL.jpg)**1200LBS Workout Bench with 3-Level Adjustable & Removable Leg Extension/Leg Curl Adjustable Weight Bench for Home Gym Incline/Flat Bench Press Full Body Workout Universal Fit for All Body Types**OPPSDECOR**$141.73**85 rev4mo ago](https://www.amazon.com/dp/B0GQ9C6DDF) [![Steelite Adjustable Weight Bench for Home Gym Foldable Workout Bench with Leg Extension and Leg Curl 770 LBS Multi-Function Preacher Curl Weight Bench for Full Body Training Fitness Incline Decline Flat Sit Up Bench Home Gym Equipment with Wheels for Bench Press Exercise](https://m.media-amazon.com/images/I/41GH9az9ujL.jpg)**Steelite Adjustable Weight Bench for Home Gym Foldable Workout Bench with Leg Extension and Leg Curl 770 LBS Multi-Function Preacher Curl Weight Bench for Full Body Training Fitness Incline Decline Flat Sit Up Bench Home Gym Equipment with Wheels for Bench Press Exercise**Steelite**$85.98**29 rev5mo ago](https://www.amazon.com/dp/B0GMWVFDVP) [![HEMERIS Adjustable Weight Bench 32 In Backrest Foldable Workout Bench for home gym 660 LBS Incline/Decline Bench Press Exercise Equipment 85to -30FID Strength Weight Training(Black)](https://m.media-amazon.com/images/I/41hMtUm5X3L.jpg)**HEMERIS Adjustable Weight Bench 32 In Backrest Foldable Workout Bench for home gym 660 LBS Incline/Decline Bench Press Exercise Equipment 85to -30FID Strength Weight Training(Black)**HEMERIS**$106.96**30 rev6mo ago](https://www.amazon.com/dp/B0GH6K2831)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Mikolo Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym Seated Leg Extension and Lying Leg Curl Machine Leg Workout Equipment with 1:1 Resistance System Red](https://m.media-amazon.com/images/I/41DhVqhSGRL.jpg)**Mikolo Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym Seated Leg Extension and Lying Leg Curl Machine Leg Workout Equipment with 1:1 Resistance System Red**Mikolo**$442.47**4.7★**▲ 163%**](https://www.amazon.com/dp/B0H151LLLR) [![Steelite Adjustable Weight Bench for Home Gym Foldable Workout Bench with Leg Extension and Leg Curl 770 LBS Multi-Function Preacher Curl Weight Bench for Full Body Training Fitness Incline Decline Flat Sit Up Bench Home Gym Equipment with Wheels for Bench Press Exercise](https://m.media-amazon.com/images/I/41GH9az9ujL.jpg)**Steelite Adjustable Weight Bench for Home Gym Foldable Workout Bench with Leg Extension and Leg Curl 770 LBS Multi-Function Preacher Curl Weight Bench for Full Body Training Fitness Incline Decline Flat Sit Up Bench Home Gym Equipment with Wheels for Bench Press Exercise**Steelite**$85.98**4.6★**▲ 161%**](https://www.amazon.com/dp/B0GMWVFDVP) [![HEMERIS Adjustable Weight Bench 32 In Backrest Foldable Workout Bench for home gym 660 LBS Incline/Decline Bench Press Exercise Equipment 85to -30FID Strength Weight Training(Black)](https://m.media-amazon.com/images/I/41hMtUm5X3L.jpg)**HEMERIS Adjustable Weight Bench 32 In Backrest Foldable Workout Bench for home gym 660 LBS Incline/Decline Bench Press Exercise Equipment 85to -30FID Strength Weight Training(Black)**HEMERIS**$106.96**4.4★**▲ 158%**](https://www.amazon.com/dp/B0GH6K2831) [![Eryntix Adjustable Leg Extension and Curl Machine Foldable Pro Heavy-Duty Weight Bench 1600LBS Workout Bench 21-Position Multifunctional Weight Benchs Iscc Plus Certified for Home Gym](https://m.media-amazon.com/images/I/41uFT+PHw9L.jpg)**Eryntix Adjustable Leg Extension and Curl Machine Foldable Pro Heavy-Duty Weight Bench 1600LBS Workout Bench 21-Position Multifunctional Weight Benchs Iscc Plus Certified for Home Gym**Eryntix**$276.87**3.9★**▲ 146%**](https://www.amazon.com/dp/B0GK74ZD67) [![YOLEO Adjustable Weight Bench for Home Gym ASTM-Certified 827LBS 98% Pre-Assembled Foldable Gym Bench with 84 Positions Incline Decline Flat Wider Seat](https://m.media-amazon.com/images/I/41Y5Lro-ohL.jpg)**YOLEO Adjustable Weight Bench for Home Gym ASTM-Certified 827LBS 98% Pre-Assembled Foldable Gym Bench with 84 Positions Incline Decline Flat Wider Seat**YOLEO**$77.80**4.6★**▲ 131%**](https://www.amazon.com/dp/B099JZT1WR)

**~~View all trending →~~**

## **What buyers say about leg extension bench**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**17%

*“Great Value”*

**Quality-Overall**17%

*“Excellent Product”*

**Exercise/Sports Suitability**8%

*“Great for workouts”*

**Adjustability/Rotatability/Reclining**6%

*“Easy to adjust”*

**Advertised Vs Actual Product**4%

*“As advertised”*

**Ease Of Use**4%

*“Easy to Use”*

**Size-Overall**4%

*“it fits well”*

**Durability**3%

*“Very durable”*

**Design-Overall**3%

*“sleek looking in my opinion”*

**Comfort-Overall**3%

*“Great comfort”*

### **What buyers complain about **

**Size-Overall**12%

*“And it is short”*

**Quality-Overall**9%

*“Low quality”*

**Strength**8%

*“doesnt feel strong”*

**Assembly/Installation**4%

*“The nuts, bolts, etc aren't sorted out, which makes assembly a bit of a pain”*

**Balance/Stability**4%

*“This thing wobbles way too much”*

**Durability**4%

*“After about 3 weeks of use”*

**Ease Of Use**4%

*“difficult to remove”*

**Comfort-Overall**3%

*“it's very uncomfortable”*

**Design-Overall**3%

*“Bad design”*

**Cushion**3%

*“not a lot of cushion”*

### **Top return reasons **

**Size-Overall**26%

**Value For Money**13%

**Advertised Vs Actual Product**9%

**Strength**6%

**Balance/Stability**6%

**Defective Material/Parts**6%

**Quality-Overall**4%

**Functionality-Overall**3%

**Adjustability/Rotatability/Reclining**3%

**Cushion**3%

## **Common questions**

<dl>

<dt>**Is leg extension bench profitable to sell on Amazon United States?**</dt><dd>The niche generates $229K/yr across 27 tracked products. 10 of 10 products launched in the last 360 days are still selling. 90-day search growth is -5.8%. Flapen's verdict: Skip it (42/100).</dd>

<dt>**How competitive is the leg extension bench niche?**</dt><dd>15 brands and 25 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 78% of demand.</dd>

<dt>**What do buyers complain about in leg extension bench?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Strength. The return rate is 1.7%.</dd>

<dt>**When does demand for leg extension bench peak?**</dt><dd>Demand peaks in Mar; the busiest month runs 1.6× the quietest.</dd>

<dt>**What does it cost to enter the leg extension bench niche?**</dt><dd>Listings span $69.08–$442.47; the average listing price is $186.13 (sweet spot $15–$100). The average incumbent carries 2,231 reviews — the moat a new listing must climb.</dd>

</dl>

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