---
title: "8kg Dumbbells — £146K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/sports-outdoors/8kg-dumbbells"
last_updated: "2026-07-31T08:14:32.220Z"
locale: en
meta:
  description: "Niche score 46/100 · £146K/yr market · 182K searches/yr · £21.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · £146K/yr market · 182K searches/yr · £21.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "8kg Dumbbells — £146K/yr Amazon UK Niche (2026) - Flapen"
---

# **8kg dumbbells**

**Skip it**

Strong incumbent ratings (4.6★) — this niche doesn't clear our bar today.

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

**Returns**

**Incredible****0.4%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****£21.35**

avg listing price — sweet spot $15–$100

**Price range**

**Great****£10.32–£35.88**

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

**Conversion**

**Okay****3.8%**

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

**Competition**

**Okay****57%**

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

**Brand share**

**Okay****85%**

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

**Market size**

**Okay****£146K**

£146K/yr · 182K searches

**Growth**

**Okay****+0.8%**

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

**Review moat**

**Bad****4,741.59**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

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.

Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **8kg dumbbells market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£128K–£171K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#34**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**36%**</dd>

<dt>**Sponsored**</dt><dd>**95%**</dd>

<dt>**Out of stock**</dt><dd>**12.1%**</dd>

<dt>**Avg brand age**</dt><dd>**50 months**</dd>

<dt>**Avg seller age**</dt><dd>**201 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

**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%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +0.8% search growth over the last 90 days.

5K4KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

[**Open Trend **](https://flapen.com/research/uk/sports-outdoors/8kg-dumbbells/trend)

## **Top 8kg dumbbells search terms**

- **8kg dumbbells pair**91K/yr-2.3%3.6% conv. - **8kg dumbbells**25K/yr+14.4%2.4% conv. - **9kg dumbbells pair**14K/yr-10.3%1.5% conv. - **8 kg dumbbells**10K/yr+5.2%3.0% conv. - **8kg weights**13K/yr+14.2%3.0% conv. - **dumbbells 8kg**9K/yr+4.8%2.5% conv. - **8kg dumbbell**5K/yr+1.6%1.6% conv. - **dumbbells 8kg pair**5K/yr-3.4%4.2% conv. - **8 kg dumbbells pair**4K/yr+20.6%2.4% conv. - **weights 8kg**3K/yr-16.1%3.5% conv. [**All search terms **](https://flapen.com/research/uk/sports-outdoors/8kg-dumbbells/search-terms)

## **Top 8kg dumbbells 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.

0%10%£15K20%£29K30%£44K40%£58K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 22 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![HOMCOM 2x8kg Rubber Hex Dumbbell Set Anti-Rolling Free Weights Dumbbells](https://m.media-amazon.com/images/I/31noHOcQwnL.jpg)**HOMCOM 2x8kg Rubber Hex Dumbbell Set Anti-Rolling Free Weights Dumbbells**HOMCOM**£25.76**4.7★3,072 rev](https://www.amazon.co.uk/dp/B01F85YU5W) [2![Amazon Basics Rubber Encased Hex Dumbbell Weights Set 8 kg Black](https://m.media-amazon.com/images/I/31QmmvMsYLL.jpg)**Amazon Basics Rubber Encased Hex Dumbbell Weights Set 8 kg Black**Amazon Basics**£27.54**4.6★736 rev](https://www.amazon.co.uk/dp/B0DMD4G5XH) [3![Athlyt Neoprene Dumbbell Set 2 x 8kg Orange](https://m.media-amazon.com/images/I/41WJjcW0t1L.jpg)**Athlyt Neoprene Dumbbell Set 2 x 8kg Orange**Athlyt**£24.41**4.7★6,589 rev](https://www.amazon.co.uk/dp/B0BYFJBBLB) [4![ZENO Dumbbells Pair 8KG | Weights Dumbbells Set | Plastic Dumbbell Pair | Hex Dumbbell For Strength Training Home Training & Gym | Weights Set | Anti Slip & Anti Roll | 2 X 4KG](https://m.media-amazon.com/images/I/41CwETU4rdL.jpg)**ZENO Dumbbells Pair 8KG | Weights Dumbbells Set | Plastic Dumbbell Pair | Hex Dumbbell For Strength Training Home Training & Gym | Weights Set | Anti Slip & Anti Roll | 2 X 4KG**ZENO**£13.87**4.1★361 rev](https://www.amazon.co.uk/dp/B0DK9DL23G) [5![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](https://m.media-amazon.com/images/I/31MW+XVGoVL.jpg)**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**£10.32**4.5★60 rev](https://www.amazon.co.uk/dp/B0FRGPFHM3)

**~~View all top sellers →~~**

### **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)](https://m.media-amazon.com/images/I/41mYUNMwsYL.jpg)**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**£13.22**2 rev1mo ago](https://www.amazon.co.uk/dp/B0H5RJBCMV) [![Yaheetech Hex Dumbbells Set with Work Guide 2x5kg/2x6kg/2x8kg/2x10kg Dumbbells Pair Anti-Roll Knurled Grip Rubber Dumbbells for Home Gym & Strength Training](https://m.media-amazon.com/images/I/41YWtCTLk4L.jpg)**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**£16.97**34 rev5mo ago](https://www.amazon.co.uk/dp/B0GPWPQ7DH) [![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](https://m.media-amazon.com/images/I/31MW+XVGoVL.jpg)**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**£10.32**60 rev10mo ago](https://www.amazon.co.uk/dp/B0FRGPFHM3) [![Amazon Basics Neoprene Dumbbell Weights Set Pair of 8 kg](https://m.media-amazon.com/images/I/31MJSDNbXaL.jpg)**Amazon Basics Neoprene Dumbbell Weights Set Pair of 8 kg**Amazon Basics**£29.94**29,488 rev1y ago](https://www.amazon.co.uk/dp/B0DNHRPF6Y) [![Amazon Basics Rubber Encased Hex Dumbbell Weights Set 8 kg Black](https://m.media-amazon.com/images/I/31QmmvMsYLL.jpg)**Amazon Basics Rubber Encased Hex Dumbbell Weights Set 8 kg Black**Amazon Basics**£27.54**736 rev1y ago](https://www.amazon.co.uk/dp/B0DMD4G5XH)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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)](https://m.media-amazon.com/images/I/41mYUNMwsYL.jpg)**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**£13.22**5.0★**▲ 95%**](https://www.amazon.co.uk/dp/B0H5RJBCMV) [![ZENO Dumbbells Set | Weights Dumbbells Set | Metal Dumbbell Pair | Hex Dumbbell For Workouts Home Training Gym | Anti Slip & Anti Roll Weights (Black 16KG (2 X 8KG))](https://m.media-amazon.com/images/I/41cQYTXXo8L.jpg)**ZENO Dumbbells Set | Weights Dumbbells Set | Metal Dumbbell Pair | Hex Dumbbell For Workouts Home Training Gym | Anti Slip & Anti Roll Weights (Black 16KG (2 X 8KG))**ZENO**£26.32**4.6★**▲ 94%**](https://www.amazon.co.uk/dp/B0DBGRNP27) [![Peloton Dumbbells | Ergonomically Designed Pair of Cast Iron Weights With Urethane Coating and Nonslip Grip Available in Set of Two Black 2.3 kg](https://m.media-amazon.com/images/I/31WvHYPPUeL.jpg)**Peloton Dumbbells | Ergonomically Designed Pair of Cast Iron Weights With Urethane Coating and Nonslip Grip Available in Set of Two Black 2.3 kg**Peloton**£35.88**4.8★**▲ 92%**](https://www.amazon.co.uk/dp/B0B2KQV9P6) [![Amonax Adjustable Dumbbell Set for Women Fitness & Strength Training](https://m.media-amazon.com/images/I/41LQZi8x6ZL.jpg)**Amonax Adjustable Dumbbell Set for Women Fitness & Strength Training**Amonax**£31.23**4.7★**▲ 88%**](https://www.amazon.co.uk/dp/B0DP6MYNWD) [![Athlyt Neoprene Dumbbell Set 2 x 9kg Black](https://m.media-amazon.com/images/I/41L8DSDplcL.jpg)**Athlyt Neoprene Dumbbell Set 2 x 9kg Black**Athlyt**£26.77**4.7★**▲ 73%**](https://www.amazon.co.uk/dp/B0BYFG4KCT)

**~~View all trending →~~**

## **What buyers say about 8kg dumbbells**

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

### **What buyers love **

**Quality-Overall**35%

*“Nice usable product”*

**Value For Money**16%

*“Great Value for Money”*

**Advertised Vs Actual Product**13%

*“As advertised”*

**Grip**6%

*“Good grip”*

**Weight Light**5%

*“Light as a feather”*

**Weight Heavy**4%

*“Brilliant weights”*

**Exercise/Sports Suitability**3%

*“Perfect for home workouts at any time of day or night”*

**Ease Of Use**3%

*“easy to use”*

**Comfort-Overall**2%

*“Very comfortable”*

**Shape/Style**1%

*“The hexagonal shape is nice so it doesnt roll off anywhere”*

### **What buyers complain about **

**Smell**19%

*“There is a slight chemical smell like other reviewers have mentioned”*

**Quality-Overall**16%

*“Very Garbage”*

**Weight Heavy**14%

*“I also think maybe its slightly heavier than actual 8kg”*

**Size-Overall**6%

*“a little bulky”*

**Material Quality**4%

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

**Rusts/Corrodes**4%

*“cracks on most sides so these cant be left outside as others you can or they will rust”*

**Product Condition**2%

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

**Scratch Resistance**1%

*“Many scratches awell with obvious factory work all over it with metal sticking out”*

**Exercise/Sports Suitability**1%

*“maybe I just lost some muscle or the gym had dumbbells that were wearing out or something like that”*

**Value For Money**1%

*“Cost me a small fortune the initial outlay”*

### **Top return reasons **

**Weight Heavy**46%

**Size-Overall**11%

**Grip**6%

**Advertised Vs Actual Product**5%

**Defective Material/Parts**5%

**Weight Light**4%

**Quality-Overall**3%

**Handle Quality**2%

**Smell**2%

**Material Quality**2%

## **Common questions**

<dl>

<dt>**Is 8kg dumbbells profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £146K/yr across 22 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.8%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the 8kg dumbbells niche?**</dt><dd>12 brands and 17 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 85% of demand.</dd>

<dt>**What do buyers complain about in 8kg dumbbells?**</dt><dd>Top complaints mined from reviews: Smell, Quality-Overall, Weight Heavy. The return rate is 0.4%.</dd>

<dt>**When does demand for 8kg dumbbells peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.5× the quietest.</dd>

<dt>**What does it cost to enter the 8kg dumbbells niche?**</dt><dd>Listings span £10.32–£35.88; the average listing price is £21.35 (sweet spot $15–$100). The average incumbent carries 4,742 reviews — the moat a new listing must climb.</dd>

</dl>

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