4kg dumbbells pair
Worth a lookShows low returns (0.4%), but strong incumbent ratings (4.6★) keeps it on the watch list.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Price range
Great£6.78–£64.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great£16.53avg listing price — sweet spot $15–$100
Conversion
Good5.1%search→purchase rate — share of searches ending in a sale
Brand share
Good71%top-5 brand share — brands hold most of the demand
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Market size
Okay£198K£198K/yr · 233K searches
Growth
Okay+8.6%90-day search growth — must beat 0% to launch
Review moat
Okay3,963.23avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United Kingdom niche tracking, 4kg dumbbells pair is a £198K/yr Amazon United Kingdom market (233K searches/yr). The top 5 brands hold 71% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
4kg dumbbells pair market data
- Units sold / yr
- 15K–20K
- avg 500–750/product
- Revenue / yr
- £248K–£331K
- units × avg price
- Conversion rate
- 5.1%
- Avg BSR
- #55
- Page quality
- 0%
- Prime
- 65%
- Sponsored
- 96%
- Out of stock
- 0.0%
- Avg brand age
- 44 months
- Avg seller age
- 196 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
19
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
53%
Top 20: 93%
Open market
22%
- Amazon Basics37%
- HOMCOM10%
- SONGMICS9%
- ZENO9%
- Bestfor6%
- Athlyt6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +8.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top 4kg dumbbells pair search terms
- 4kg dumbbells pair107K/yr
- 4kg weights33K/yr
- dumbbells 4kg14K/yr
- 4kg dumbbells16K/yr
- 4 kg dumbbells pair13K/yr
- 4kg weights for women9K/yr
- dumbbells 4kg pair6K/yr
- weights 4kg6K/yr
- 4 kg weights for women5K/yr
- 4kg dumbbell6K/yr
Top 4kg 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.
All 24 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 4kg Dumbbells 2-Pair
Amazon Basics£14.484.7★29,488 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
Bestfor Pair of 4kg Hex Anti Roll Non Slip Neoprene Dumbbell Weights For Exercise Fitness Workouts Lifting with Exercise Chart
Bestfor£16.864.7★264 rev
Athlyt Neoprene Dumbbell Set 2 x 4kg Grey
Athlyt£16.284.7★6,589 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
Neoprene Dumbbells Set of 2 Hand Weights for Women Men (1/2/3/4/6/8 kg Pair) Small Dumbbells Arm Weights for Ladies Gentlemen - Yoga Pilates Gym Home - Workout Fitness Strength Training
Passer£9.2251 rev
Neoprene Dumbbells Set of 2 Hand Weights for Women Men (1/2/3/4/6/8 kg Pair) Small Dumbbells Arm Weights for Ladies Gentlemen - Yoga Pilates Gym Home - Workout Fitness Strength Training
Passer£8.7151 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£10.3260 rev
Amazon Basics Adjustable Dumbbell 5 Weight Settings from 2kg to 12kg Single Dumbbell for Home Gym Strength Training Workout Black
Amazon Basics£64.01106 rev
Trending
90-day click momentumHERQ 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£13.225.0★
KAKSS Neoprene Dumbbells Set 4kg Pair (2 x 2kg) Orange Hex Dumbbells with Color Coded Thick Vinyl Coating and Non-Slip Grip Cast Iron Hand Weights for Women Home Gym Workouts
Kakss£12.154.6★
KAKSS Coated Metal Dumbbells Set 4kg Dumbbells Pair (2 x 4kg) Blue Hand Weights Dumbbells Set with Smooth Washable Finish for Gym Weights for Home and Fitness Training coated metal alternative
Kakss£16.314.4★
Amazon Basics Adjustable Dumbbell 5 Weight Settings from 2kg to 12kg Single Dumbbell for Home Gym Strength Training Workout Black
Amazon Basics£64.014.5★
Athlyt Neoprene Dumbbell Set 2 x 4kg Grey
Athlyt£16.284.7★
What buyers say about 4kg dumbbells pair
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality product delivered as described”
“Reasonable price”
“Good Grip”
“Just like the Picture”
“Very happy with these weights”
“easy to use”
“Great weights”
“great for a home workout”
“Very comfortable”
“Very pleased with purchase they are a nice colour”
What buyers complain about
“Bad smell”
“Very Garbage”
“Too heavy for a woman to use”
“they were made off a very low standard of materials used for that product I put them in the garbage”
“The rubberised coating has split already”
“was supposed to be new but looked heavily used not happy”
“These are fit for purpose bit not the colour as sold”
“These are fit for purpose bit not the colour as sold”
“Many scratches awell with obvious factory work all over it with metal sticking out”
Top return reasons
Common questions
- Is 4kg dumbbells pair profitable to sell on Amazon United Kingdom?
- The niche generates £198K/yr across 26 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is +8.6%. Flapen's verdict: Worth a look (52/100).
- How competitive is the 4kg dumbbells pair niche?
- 14 brands and 19 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in 4kg dumbbells pair?
- Top complaints mined from reviews: Smell, Quality-Overall, Weight Heavy. The return rate is 0.4%.
- When does demand for 4kg dumbbells pair peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the 4kg dumbbells pair niche?
- Listings span £6.78–£64.01; the average listing price is £16.53 (sweet spot $15–$100). The average incumbent carries 3,963 reviews — the moat a new listing must climb.