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52

5 lb dumbbells set of 2

Worth a look

Shows low returns (0.8%), but a deep review moat (30,406 avg reviews) keeps it on the watch list.

Market size 91Growth 32Conversion 73Competition 29Returns 96Price range 72Avg price 79Brand share 28Review moat 11Quality gap 17

Returns

Incredible0.8%

return rate — above 6% kills the launch gate

Market size

Great$1.8M

$1.8M/yr · 1.6M searches

Avg price

Great$16.69

avg listing price — sweet spot $15–$100

Conversion

Good6.7%

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

Price range

Good$9.64–$29.02

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

Growth

Okay+5.4%

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

Competition

Okay68%

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

Brand share

Okay88%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Review moat

Bad30,406.26

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, 5 lb dumbbells set of 2 is a $1.8M/yr Amazon United States market (1.6M searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jan. Verdict: Worth a look — 52/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

Market data

Units sold / yr
125K–150K
avg 8,000–10,000/product
Revenue / yr
$2.1M–$2.5M
units × avg price
Launch success
2 of 4 new (360d)
Conversion rate
6.7%
Avg BSR
#34
Page quality
0%
Prime
100%
Sponsored
89%
Out of stock
1.1%
Avg brand age
46 months
Avg seller age
166 days

Competition

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

19

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

9%

  • Yes4All32%
  • Amazon Basics27%
  • CAP22%
  • Gaiam5%
  • YOTTOY3%
  • Tone Fitness3%
  • Open — no brand owns it (5 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +5.4% search growth over the last 90 days.
45K35KSpike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.7×

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$179K20%$358K30%$536K40%$715K1001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

Reviews

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

What buyers love

Quality-Overall19%

“Good quality, easy to handle”

Advertised Vs Actual Product11%

“As advertised”

Value For Money11%

“Great value for price”

Grip10%

“Easy grip”

Weight Light6%

“These are perfect for that—lightweight”

Color5%

“The color is vibrant”

Size-Overall5%

“Fits my hands well”

Comfort-Overall5%

“They are comfortable”

Ease Of Use4%

“Easy to use”

Exercise/Sports Suitability4%

“Great for workout”

What buyers complain about

Smell12%

“Terrible odor”

Product Condition10%

“Not New”

Weight Heavy7%

“A little heavy for me i am 70 can do some stuff with them i am going to order 3 pounds”

Size-Overall6%

“Small”

Quality-Overall4%

“Inconsistent quality checks”

Value For Money3%

“Additionally, at $30 for this set, the pricing is 2-3 times higher than other 5Lbs dumbbell pairs on Amazon”

Adhesion/Stickiness3%

“sticky fingers”

Wood Quality2%

“These weights ruined the finish on my wood table”

Add-Ons/Attachments2%

“Great concept; however, the sections were difficult to attach so I returned this item”

Measurement/Reading Accuracy2%

“these are not accurate weights”

Top return reasons

Weight Heavy33%
Value For Money16%
Size-Overall9%
Advertised Vs Actual Product7%
Weight Light6%
Grip4%
Color3%
Material Quality2%
Shape/Style2%
Product Condition2%

Common questions

Is 5 lb dumbbells set of 2 profitable to sell on Amazon United States?
The niche generates $1.8M/yr across 19 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +5.4%. Flapen's verdict: Worth a look (52/100).
How competitive is the 5 lb dumbbells set of 2 niche?
11 brands and 19 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in 5 lb dumbbells set of 2?
Top complaints mined from reviews: Smell, Product Condition, Weight Heavy. The return rate is 0.8%.
When does demand for 5 lb dumbbells set of 2 peak?
Demand peaks in Jan; the busiest month runs 1.7× the quietest.
What does it cost to enter the 5 lb dumbbells set of 2 niche?
Listings span $9.64–$29.02; the average listing price is $16.69 (sweet spot $15–$100). The average incumbent carries 30,406 reviews — the moat a new listing must climb.

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