20kg dumbbells
Skip itA small market ($38K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Avg price
Incredible£37.17avg listing price — sweet spot $15–$100
Price range
Great£10.32–£82.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good706.1avg incumbent reviews — the moat a new listing must climb
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-0.4%90-day search growth — must beat 0% to launch
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Market size
Bad£38K£38K/yr · 118K searches
According to Flapen's Amazon United Kingdom niche tracking, 20kg dumbbells is a £38K/yr Amazon United Kingdom market (118K searches/yr). The top 5 brands hold 88% of demand. Verdict: Skip it — 41/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
20kg dumbbells market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- £56K–£74K
- units × avg price
- Conversion rate
- 0.9%
- Avg BSR
- #31
- Page quality
- 0%
- Prime
- 30%
- Sponsored
- 85%
- Out of stock
- 3.7%
- Avg brand age
- 45 months
- Avg seller age
- 200 days
Competition & brand share
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
13
Top-5 brand share
88%
Top 20: 100%
Top-5 click share
60%
Top 20: 100%
Open market
8%
- HOMCOM39%
- RAVIAN16%
- Chase Fitness13%
- Amazon Basics13%
- ZENO7%
- Sparta4%
- Open — no brand owns it (4 brands, 8%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -0.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top 20kg dumbbells search terms
- 20kg dumbbells64K/yr
- 25kg dumbbells pair14K/yr
- 20 kg dumbbell10K/yr
- 25kg dumbbells7K/yr
- dumbbells 20kg6K/yr
- 20kg dumbbell7K/yr
- 20kg dumbbells pair10K/yr
Top 20kg 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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
HOMCOM 20KG Single Rubber Hex Dumbbell Portable Hand Weights for Home Gym
HOMCOM£32.894.7★1,196 rev
Amazon Basics Rubber Encased Hex Dumbbell Weights Set 5 kg Black
Amazon Basics£16.834.6★736 rev
HOMCOM 12.5KG Single Rubber Hex Dumbbell Portable Hand Weights Dumbbell for Home Gym Workout Fitness
HOMCOM£20.654.7★1,196 rev
Chase Fitness Rubber Hex Dumbbells Set (Pair of 20kg) 2.5kg30kg Free Weights for Home Gym Anti-Roll Rubber Dumbbells Strength Training Fitness Weights Knurled Grip Hand Weights
Chase Fitness£65.924.4★87 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£63.595.0★8 rev
Newest
by launch date
Adjustable weights set for men and women10kg 20kg 30kg. 2-in-1 dumbbells and barbell for strength training weight lifting bodybuilding and effective full-body home workouts. (10 Kilograms)
Sparta£13.7272 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£63.598 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
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£77.91160 rev
HOMCOM 2x20KG Rubber Hex Dumbbell Portable Hand Weights for Home Gym
HOMCOM£67.461,196 rev
Trending
90-day click momentumHex 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£63.595.0★
HOMCOM 2x20KG Rubber Hex Dumbbell Portable Hand Weights for Home Gym
HOMCOM£67.464.7★
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£77.914.6★
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★
ZENO Dumbbells Pair 20KG | Weights Dumbbells Set | Plastic Dumbbell Pair | Hex Dumbbell For Strength Training Home Training & Gym | Weights Set | Anti Slip & Anti Roll | 2 X 10KG
ZENO£20.074.1★
What buyers say about 20kg dumbbells
What buyers praise and complain about, mined from review topics.What buyers love
“These are well made and came quick”
“Good value for money”
“They do the job”
“Good quality, and the grippy bit is comfortable”
“easy to use”
“Brilliant weights”
“great for a home workout”
“Great weights that are well built”
“I like the Hex shape”
“Fit for purpose”
What buyers complain about
“Bad smell”
“Heavier than 6kg”
“Very Garbage”
“Misleading”
“These seem massive”
“they were made off a very low standard of materials used for that product I put them in the garbage”
“so it's harder to keep your hands steady as they unbalance”
“was supposed to be new but looked heavily used not happy”
“Cost me a small fortune the initial outlay”
“They need a thorough wipe on opening”
Top return reasons
Common questions
- Is 20kg dumbbells profitable to sell on Amazon United Kingdom?
- The niche generates £38K/yr across 20 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -0.4%. Flapen's verdict: Skip it (41/100).
- How competitive is the 20kg dumbbells niche?
- 10 brands and 13 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 88% of demand.
- What do buyers complain about in 20kg dumbbells?
- Top complaints mined from reviews: Smell, Weight Heavy, Quality-Overall. The return rate is 0.2%.
- When does demand for 20kg dumbbells peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the 20kg dumbbells niche?
- Listings span £10.32–£82.24; the average listing price is £37.17 (sweet spot $15–$100). The average incumbent carries 706 reviews — the moat a new listing must climb.