ritfit leg extension and curl machine
Skip itPricing outside the sweet spot ($666.26 avg) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 6% kills the launch gate
Review moat
Incredible88.56avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+11.1%90-day search growth — must beat 0% to launch
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Competition
Bad72%top-5 click share — a locked-up shelf
Market size
Bad$53K$53K/yr · 42K searches
Conversion
Bad0.2%search→purchase rate — share of searches ending in a sale
Price range
Bad$83.97–$3095.56cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Bad$666.26avg listing price — sweet spot $15–$100
According to Flapen's Amazon United States niche tracking, ritfit leg extension and curl machine is a $53K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 34/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
ritfit leg extension and curl machine market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $333K–$500K
- units × avg price
- Launch success
- 80%
- 8 of 10 new (360d)
- Conversion rate
- 0.2%
- Avg BSR
- #216
- Page quality
- 0%
- Prime
- 17%
- Sponsored
- 83%
- Out of stock
- 17.6%
- Avg brand age
- 25 months
- Avg seller age
- 214 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 rising
Sellers
18
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
10%
- Mikolo43%
- JELENS22%
- RitFit10%
- LIONSCOOL6%
- FNKTEK5%
- GMWD5%
- Open — no brand owns it (4 brands, 10%)
Demand & seasonality
Weekly Amazon search volume, last 63 weeks — +11.1% search growth over the last 90 days.Peak months: Mar, Apr · busiest ÷ quietest = 2.4×
Top ritfit leg extension and curl machine search terms
- ritfit leg extension and curl machine26K/yr
- ritfit leg extension8K/yr
- rit fit leg extension4K/yr
- ritfit plc01 leg extension curl machine3K/yr
- rit fit leg extension and curl machine2K/yr
Top ritfit leg extension and curl machine 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.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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 Black
Mikolo$439.334.7★54 rev
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$193.144.5★168 rev
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$442.474.7★54 rev
RitFit M1 Pro SmithMachine with Cable Crossover System Multi-Function Squat Rack Power Cage for Home Gym Power Rack and Packages Blackbp260 Package
RitFit$1857.274.4★118 rev
LIONSCOOL Leg Extension and Curl Machine V4.0 800lbs Capacity Adjustable Seated Leg Extension Lying Leg Curl Bench Cable Operated 2 Plate Loadable Lower Body Exercise Equipment for Home Gym
LIONSCOOL$385.824.4★109 rev
Newest
by launch dateMikolo 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 Black
Mikolo$439.3354 rev
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$442.4754 rev
ANCHEER Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym 880LBS Seated & Lying Lower Body Workout Equipment Compatible with 1 and 2 Weight Plates
ANCHEER$176.1825 rev
Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym 4 in 1 Lower Body Workout Machine with 1000LB Capacity Leg Workout Equipment Compatible with 1 and 2 Plates
WFLGFT$301.2413 rev
WFLGFT Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym 4 in 1 Lower Body Workout Machine with 1000LB Capacity Leg Workout Equipment Compatible with 1 and 2 Plates
WFLGFT$281.6715 rev
Trending
90-day click momentumMikolo 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 Black
Mikolo$439.334.7★
ANCHEER Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym 880LBS Seated & Lying Lower Body Workout Equipment Compatible with 1 and 2 Weight Plates
ANCHEER$176.184.6★
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$442.474.7★
WFLGFT Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym 4 in 1 Lower Body Workout Machine with 1000LB Capacity Leg Workout Equipment Compatible with 1 and 2 Plates
WFLGFT$281.674.4★
Leg Extension and Curl Machine Adjustable Leg Curl Machine for Home Gym 4 in 1 Lower Body Workout Machine with 1000LB Capacity Leg Workout Equipment Compatible with 1 and 2 Plates
WFLGFT$301.244.4★
What buyers say about ritfit leg extension and curl machine
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality is solid”
“Worth Buying”
“Best exercise machine Ive ordered from Amazon”
“Exactly what I wanted”
“We like that its adjustable depending on height”
“clear instructions provided”
“Solid and durable”
“Solid and smooth”
“The strength curve for the leg extension is outstanding and very smooth”
“Love the new design”
What buyers complain about
“Takes a bit for assembly”
“My only complaint is that the quality control seems lacking”
“Shortly after assembly, the padding permanently broke and became unusable”
“barely fits my 6 frame”
“2- the leg curl is not good the pad does not spin so it will grab you skin pants whatever”
“the padding is not very good”
“they just fall right out”
“Hate to use”
“I was informed it was too expensive for them to get a replacement”
“It makes a little bit of noise”
Top return reasons
Common questions
- Is ritfit leg extension and curl machine profitable to sell on Amazon United States?
- The niche generates $53K/yr across 18 tracked products. 8 of 10 products launched in the last 360 days are still selling. 90-day search growth is +11.1%. Flapen's verdict: Skip it (34/100).
- How competitive is the ritfit leg extension and curl machine niche?
- 10 brands and 18 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in ritfit leg extension and curl machine?
- Top complaints mined from reviews: Assembly/Installation, Quality-Overall, Durability. The return rate is 0.3%.
- When does demand for ritfit leg extension and curl machine peak?
- Demand peaks in Mar–Apr; the busiest month runs 2.4× the quietest.
- What does it cost to enter the ritfit leg extension and curl machine niche?
- Listings span $83.97–$3095.56; the average listing price is $666.26 (sweet spot $15–$100). The average incumbent carries 89 reviews — the moat a new listing must climb.