Is 5kg dumbbells pair profitable to sell on Amazon United Kingdom?

The niche generates £321K/yr across 16 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +4.1%. Flapen's verdict: Skip it (45/100).

How competitive is the 5kg dumbbells pair niche?

10 brands and 14 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 87% of demand.

What do buyers complain about in 5kg dumbbells pair?

Top complaints mined from reviews: Weight Heavy, Smell, Quality-Overall. The return rate is 0.4%.

When does demand for 5kg dumbbells pair peak?

Demand peaks in Mar–May; the busiest month runs 2.1× the quietest.

What does it cost to enter the 5kg dumbbells pair niche?

Listings span £8.54–£17.60; the average listing price is £15.11 (sweet spot $15–$100). The average incumbent carries 5,617 reviews — the moat a new listing must climb.

5kg dumbbells pair

Skip it

A deep review moat (5,617 avg reviews) — this niche doesn't clear our bar today.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Great£15.11

avg listing price — sweet spot $15–$100

Conversion

Good6.5%

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

Market size

Good£321K

£321K/yr · 326K searches

Growth

Okay+4.1%

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

Brand share

Okay87%

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

Price range

Okay£8.54–£17.60

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Okay70%

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

Review moat

Bad5,616.81

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United Kingdom niche tracking, 5kg dumbbells pair is a £321K/yr Amazon United Kingdom market (326K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Mar–May. Verdict: Skip it — 45/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

5kg dumbbells pair market data

Units sold / yr: 15K–20K; avg 500–750/product
Revenue / yr: £227K–£302K; units × avg price
Conversion rate: 6.5%
Avg BSR: #25
Page quality: 0%
Prime: 31%
Sponsored: 88%
Out of stock: 5.3%
Avg brand age: 45 months
Avg seller age: 195 days

Competition & brand share

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 falling

Sellers

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

Amazon Basics52%
HOMCOM12%
ZENO9%
RAVIAN8%
SONGMICS6%
ProSource5%
Open — no brand owns it (4 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.1% search growth over the last 90 days.

Peak months: Mar, May · busiest ÷ quietest = 2.1×

Open Trend

Top 5kg dumbbells pair search terms

5kg dumbbells pair235K/yr +5.4%5.0% conv.
5 kg dumbbells pair30K/yr +7.0%4.3% conv.
dumbbells 5kg pair8K/yr +4.8%5.2% conv.
5kg weight9K/yr -0.8%3.4% conv.
5kg dumbells6K/yr +17.2%5.4% conv.
5kg weights for women6K/yr +2.7%5.1% conv.
5lb weights for women3K/yr +5.1%2.2% conv.
5 kg dumbbells4K/yr -0.5%3.0% conv.
5kg dumbbells pair for women11K/yr -10.8%3.5% conv.
5lb dumbbells pair5K/yr -37.0%1.9% conv.

All search terms

Top 5kg dumbbells pair 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.

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

All 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Amazon Basics Rubber Encased Hex Dumbbell Weights Set 5 kg Black

Amazon Basics£16.834.6★736 rev

Amazon Basics Neoprene Dumbbell Pair 10kgs (5 kg x 2 count) Blue

Amazon Basics£17.584.7★29,488 rev

Hex Dumbbells Sets 2.560kg | Heavy-Duty Rubber-Coated Cast Iron Weights Anti-Roll Hex Design Ergonomic Grip Ideal for Home Gym Bodybuilding & Strength Training

RAVIAN£10.324.5★60 rev

HOMCOM 2x5kg Rubber Hex Dumbbell Set Anti-Rolling Free Weights Dumbbells

HOMCOM£17.054.7★3,072 rev

HOMCOM Rubber Dumbbell Sports Hex Weights Sets Home Gym Fitness Hexagonal Dumbbells Kit Weight Lifting Exercise (2 x 4kg) Black

HOMCOM£14.904.7★3,072 rev

Newest

by launch date

HERQ Hex Dumbbells Set | Rubber Coated Dumbbell Pair | Anti-Roll Free Weights for Home Gym | Ergonomic Grip Weights Set for Strength Training Fitness Bodybuilding Workouts (8KG | 2 X 4KG)

HERQ£13.222 rev

1mo ago

Yaheetech Hex Dumbbells Set with Work Guide 2x5kg/2x6kg/2x8kg/2x10kg Dumbbells Pair Anti-Roll Knurled Grip Rubber Dumbbells for Home Gym & Strength Training

Yaheetech£16.9734 rev

5mo ago

Hex Dumbbells Sets 2.560kg | Heavy-Duty Rubber-Coated Cast Iron Weights Anti-Roll Hex Design Ergonomic Grip Ideal for Home Gym Bodybuilding & Strength Training

RAVIAN£10.3260 rev

10mo ago

Amazon Basics Rubber Encased Hex Dumbbell Weights Set 5 kg Black

Amazon Basics£16.83736 rev

1y ago

ZENO£13.87361 rev

1y ago

What buyers say about 5kg dumbbells pair

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

What buyers love

Quality-Overall31%

“Amazing Quality”

Value For Money12%

“worth it”

Grip10%

“Comfortable grip”

Advertised Vs Actual Product9%

“They do the job”

Weight Light6%

“they are the perfect weight”

Exercise/Sports Suitability6%

“Brilliant for my home workouts”

Weight Heavy4%

“Solid and variably heavy”

Ease Of Use3%

“Great for intended use”

Color2%

“nice colour”

Comfort-Overall2%

“comfortable to hold”

What buyers complain about

Weight Heavy18%

“they feel heavier than 5kg”

Smell14%

“The smell is minor”

Quality-Overall8%

“Very Garbage”

Size-Overall5%

“Not great for smaller hands”

Cutting/Trimming3%

“Cut on the outer layer”

Material Quality3%

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

Flatness3%

“It's inconvenient that they didn't make them flat at the ends so they could be stood upright”

Grip3%

“hand grip is bulky”

Durability2%

“Not durable”

Product Condition2%

“was supposed to be new but looked heavily used not happy”

Top return reasons

Weight Heavy54%

Size-Overall15%

Weight Light6%

Defective Material/Parts4%

Smell4%

Advertised Vs Actual Product4%

Quality-Overall2%

Grip2%

Handle Quality1%

Rubber Quality1%

Common questions

Is 5kg dumbbells pair profitable to sell on Amazon United Kingdom?: The niche generates £321K/yr across 16 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +4.1%. Flapen's verdict: Skip it (45/100).
How competitive is the 5kg dumbbells pair niche?: 10 brands and 14 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in 5kg dumbbells pair?: Top complaints mined from reviews: Weight Heavy, Smell, Quality-Overall. The return rate is 0.4%.
When does demand for 5kg dumbbells pair peak?: Demand peaks in Mar–May; the busiest month runs 2.1× the quietest.
What does it cost to enter the 5kg dumbbells pair niche?: Listings span £8.54–£17.60; the average listing price is £15.11 (sweet spot $15–$100). The average incumbent carries 5,617 reviews — the moat a new listing must climb.