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8kg Dumbbells

strong incumbent ratings (4.6★) — 8kg Dumbbells doesn't clear our bar today.

Flapen Score

46
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Market size 32Growth 26Conversion 47Competition 47Returns 98Price range 80Avg price 91Brand share 33Review moat 25Quality gap 24
This niche Category average

Is 8kg Dumbbells profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, 8kg Dumbbells is a £146K/yr Amazon United Kingdom market (182K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 46/100.

8kg Dumbbells: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +0.8% over the last 90 days and 3.8% of searches end in a purchase.

£146K

revenue / yr

Units sold / yr8K
Search volume / yr+0.8%182K
Conversion rate3.8%
Avg price£21.35

Who owns the niche?

The top 5 brands hold 85% of demand, so 15% of the market is open.

15%

open market share

Brands · sellers12 · 17
Top-5 product click share57%
Open market15%
Avg brand age50 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 22 products

Sponsored placement95%
New entrants (1y)3· 1 succeeded
Avg rating4.6★
Avg reviews4,742

Top 8kg Dumbbells 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 take 57% of clicks — established leaders, but buyers still shop beyond them.

£0£15K£29K£44K£58K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

12 falling

Sellers

17

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

57%

Top 20: 98%

Open market

12%

  • HOMCOM29%
  • Amazon Basics22%
  • ZENO16%
  • Athlyt13%
  • RAVIAN5%
  • Yaheetech3%
  • Open — no brand owns it (6 brands, 12%)

8kg Dumbbells demand & seasonality

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

Volume182KCVR3.8%Products22Brands12Top 5 Brands85%OOS Rate12.1%Rating4.6★Reviews4,742Avg BSR#34
5K4KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top 8kg Dumbbells search terms shoppers use

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

  • 8kg dumbbells pair91K/yr
  • 8kg dumbbells25K/yr
  • 9kg dumbbells pair14K/yr
  • 8 kg dumbbells10K/yr
  • 8kg weights13K/yr
  • dumbbells 8kg9K/yr
  • 8kg dumbbell5K/yr
  • dumbbells 8kg pair5K/yr
  • 8 kg dumbbells pair4K/yr
  • weights 8kg3K/yr

What reviews say buyers love and hate about 8kg Dumbbells

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

What buyers love

88% of reviews
Quality-Overall35%

Nice usable product

Value For Money16%

Great Value for Money

Advertised Vs Actual Product13%

As advertised

Grip6%

Good grip

Weight Light5%

Light as a feather

What buyers complain about

69% of reviews
Smell19%

There is a slight chemical smell like other reviewers have mentioned

Quality-Overall16%

Very Garbage

Weight Heavy14%

I also think maybe its slightly heavier than actual 8kg

Size-Overall6%

a little bulky

Material Quality4%

they were made off a very low standard of materials used for that product I put them in the garbage

8kg Dumbbells return rate & reasons

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

0.4%

Return rate

18%

Fixable by listing

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

1Weight Heavy
46%
2Size-Overall
11%
3Grip
6%
4Advertised Vs Actual Product
5%
5Defective Material/Parts
5%

Common 8kg Dumbbells questions

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

Flapen scores 8kg Dumbbells 46/100 on Amazon United Kingdom — Skip it. The niche generates £146K/yr across 22 tracked products. 1 of 3 products launched in the last 360 days are still selling. Search demand moved +0.8% over the last 90 days.
Search demand for 8kg Dumbbells on Amazon United Kingdom is steady year-round — the busiest month runs 1.5× the quietest.