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Adjustable Dumbbells 40kg

weak search conversion (0.5%) — Adjustable Dumbbells 40kg doesn't clear our bar today.

Flapen Score

38
Skip it
Market size 18Growth 45Conversion 6Competition 23Returns 98Price range 26Avg price 52Brand share 29Review moat 91Quality gap 33
This niche Category average

Is Adjustable Dumbbells 40kg profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Adjustable Dumbbells 40kg is a £74K/yr Amazon United Kingdom market (85K searches/yr). The top 5 brands hold 88% of demand. Verdict: Skip it — 38/100.

Adjustable Dumbbells 40kg: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +15.8% over the last 90 days and 0.5% of searches end in a purchase.

£74K

revenue / yr

Units sold / yr500
Search volume / yr+15.8%85K
Conversion rate0.5%
Avg price£169.97

Who owns the niche?

The top 5 brands hold 88% of demand, so 12% of the market is open.

12%

open market share

Brands · sellers9 · 13
Top-5 product click share72%
Open market12%
Avg brand age44 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 15 products

Sponsored placement80%
New entrants (1y)3· 0 succeeded
Avg rating4.5★
Avg reviews182

Top Adjustable Dumbbells 40kg products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

£0£7K£15K£22K£30K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 falling

Sellers

13

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

7%

  • BRAINGAIN47%
  • Strongway18%
  • Amazon Basics10%
  • HAKENO7%
  • LSLIFE6%
  • Yaheetech5%
  • Open — no brand owns it (3 brands, 7%)

Adjustable Dumbbells 40kg demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume85KCVR0.5%Products15Brands9Top 5 Brands88%OOS Rate16.2%Rating4.5★Reviews182Avg BSR#240
2K2KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jul '26

Top Adjustable Dumbbells 40kg search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • adjustable dumbbells 40kg24K/yr
  • 40kg adjustable dumbbell set16K/yr
  • adjustable dumbbells 40kg pair12K/yr
  • primal personal series 34kg adjustable dumbbell adjustable dumbbell single5K/yr
  • adjustable dumbbells 10kg5K/yr
  • adjustable dumbbells 50kg6K/yr
  • braingain adjustable dumbbells4K/yr
  • 40 kg dumbbells pair3K/yr
  • noübell 2-32kg adjustable dumbbell pair4K/yr
  • braingain3K/yr

What reviews say buyers love and hate about Adjustable Dumbbells 40kg

What buyers mention most, as a share of all reviews.

What buyers love

79% of reviews
Quality-Overall23%

Overall, good product for the price,

Value For Money21%

Excellent value for money

Ease Of Use9%

Very easy to use

Adjustability/Rotatability/Reclining7%

Adjustable dumbbells

Weight Light4%

Great starter weights with detachable weights so start light then add more to heavier - great idea

What buyers complain about

74% of reviews
Durability15%

broke after 9 months of use

Smell13%

smell a bit funny

Strength9%

Yes they are a little chunkier than normal dumbbells

Quality-Overall8%

Cheap and poorly built

Weight Heavy6%

They are quite bulky

Adjustable Dumbbells 40kg return rate & reasons

Why buyers send it back, as a share of all return requests.

0.4%

Return rate

29%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Weight Heavy
20%
2Size-Overall
16%
3Defective Material/Parts
12%
4Quality-Overall
8%
5Advertised Vs Actual Product
7%

Common Adjustable Dumbbells 40kg questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Adjustable Dumbbells 40kg 38/100 on Amazon United Kingdom — Skip it. The niche generates £74K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. Search demand moved +15.8% over the last 90 days.
Adjustable Dumbbells 40kg buyers on Amazon United Kingdom complain most about Durability, Smell, Strength, the themes mined from the niche's reviews. Its return rate is 0.4%.