caster wheels set of 4
Skip itA small market ($35K/yr) — this niche doesn't clear our bar today.
Competition
Great38%top-5 click share — an open shelf
Brand share
Good61%top-5 brand share — brands hold most of the demand
Returns
Good2.1%return rate — above 5% kills the launch gate
Conversion
Okay4.0%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,654.71avg incumbent reviews — the moat a new listing must climb
Price range
Okay£4.22–£24.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Avg price
Okay£9.01avg listing price — sweet spot $15–$100
Growth
Bad-8.6%90-day search growth — must beat 0% to launch
Market size
Bad£35K£35K/yr · 97K searches
According to Flapen's Amazon United Kingdom niche tracking, caster wheels set of 4 is a £35K/yr Amazon United Kingdom market (97K searches/yr). The top 5 brands hold 61% of demand. Verdict: Skip it — 46/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
caster wheels set of 4 market data
- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- £36K–£45K
- units × avg price
- Conversion rate
- 4.0%
- Avg BSR
- #40
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 88%
- Out of stock
- 3.9%
- Avg brand age
- 34 months
- Avg seller age
- 191 days
Competition & brand share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
27 rising
Sellers
36
Top-5 brand share
61%
Top 20: 92%
Top-5 click share
38%
Top 20: 75%
Open market
36%
- DSL Daily Supply Ltd.39%
- HOLKIE8%
- W B D WEIBIDA5%
- Emuca4%
- H&S4%
- GBL3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top caster wheels set of 4 search terms
- casters for furniture18K/yr
- small wheels11K/yr
- castors for furniture15K/yr
- heavy duty casters set of 410K/yr
- furniture wheels set of 47K/yr
- trolley wheels replacement5K/yr
- cart wheels5K/yr
- heavy duty trolley wheels5K/yr
- castor wheels with brakes4K/yr
- roller wheels5K/yr
Top caster wheels set of 4 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
DSL Heavy Duty Braked 50mm Swivel Castor Wheels Trolley Caster Wheels Set of 4 Rubbered Castors for Furniture Upto 200KG + Free Fitting
DSL Daily Supply Ltd.£7.334.6★3,892 rev
DSL 4 x Heavy Duty Double Bearing BRAKED 100mm Swivel Castor Wheel Trolley Furniture Caster 700KG Free Fitting
DSL Daily Supply Ltd.£17.724.7★2,344 rev
DSL 4 x Heavy Duty 75mm Swivel Castor Wheels Trolley Furniture Caster Brake with Free Bolt Fitting
DSL Daily Supply Ltd.£10.104.6★3,926 rev
DSL Small Swivel Castor Wheels Trolley 25mm Heavy Duty Caster Wheels Set of 4 Rubbered Wheel for Furniture with 2 Brakes- Black up to 60KG +Free Fitting Castors for Furniture
DSL Daily Supply Ltd.£6.564.4★609 rev
W B D WEIBIDA Heavy Duty Castor Wheels with 4 Brakes 1 Rubber Casters with Load Capacity 100 Lbs Easy Rolling Small Swivel Trolley Caster for Furniture Table Baby Bed 4 Pack
W B D WEIBIDA£7.324.6★2,391 rev
Newest
by launch date
CoralBloom Castor Wheels 50mm Caster Wheels Set of 4 with Brakes - 360 Rotating Heavy Duty Castors for Trolley/Furniture/Dolly/Bed/Suitcase Max. load 400 lbs
CoralBloom£9.30118 rev
16 Pcs Small Caster Wheels 0.5in Furniture Casters with Screws
Jiujuda9£5.0655 rev
Flintronic Wheels for Furniture 12PCS Small Castor Wheel Fixed Heavy Duty Castors wheels Low Profile Self-Adhesive Caster-Wheels Trolley-Wheel for Small Appliances Luggage Drawer Carts
flintronic£4.97171 rev
NIUXX Furniture Mover with Wheels
NIUXX£23.80643 rev
QNCZ 5 Inch Heavy Duty Swivel Casters Silent Industrial Load 2600lbs Set of 4 Floor-Friendly Steel & Polyurethane Plate Mount
QNCZ£24.272,516 rev
Trending
90-day click momentumQNCZ 5 Inch Heavy Duty Swivel Casters Silent Industrial Load 2600lbs Set of 4 Floor-Friendly Steel & Polyurethane Plate Mount
QNCZ£24.274.6★
HOLKIE 50mm Furniture Castor Wheels without Brake - Total Capacity 250kg - Smooth & Quiet Wheels - Heavy Duty Castors for Furniture (Set of 4)
HOLKIE£8.274.8★
Medipaq Felt Castor Cups for Wooden Floors 4 x Large 60mm Chair Leg Floor Protectors & Floor Protectors for Furniture Legs Dark Wood Grain
Medipaq£5.254.2★
Emuca - Pack of 4 black swivel castors for furniture (2 with brake and 2 without brake) 40mm diameter with fixing plate and ball bearings
Emuca£4.844.5★
NIUXX Furniture Mover with Wheels
NIUXX£23.804.0★
What buyers say about caster wheels set of 4
What buyers praise and complain about, mined from review topics.What buyers love
“These wheels are excellent quality”
“Great value”
“did the job perfectly”
“Fits perfect”
“These castors are very sturdy”
“Easy to use”
“definitely heavy duty”
“Very effective”
“easy to install”
“Very durable”
What buyers complain about
“They were a bit big”
“False load capability and poor quality”
“Fall apart straight away”
“Terrible product 6 out of 8 casters failed under a sub 100kg load within 10m of travel”
“Not worth the price I paid”
“rubber base not very well glued on”
“screws a bit too chunky built”
“they slip out from under it”
“They arent wood”
“Cheap and nasty plastic”
Top return reasons
Common questions
- Is caster wheels set of 4 profitable to sell on Amazon United Kingdom?
- The niche generates £35K/yr across 41 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -8.6%. Flapen's verdict: Skip it (46/100).
- How competitive is the caster wheels set of 4 niche?
- 27 brands and 36 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 61% of demand.
- What do buyers complain about in caster wheels set of 4?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 2.1%.
- When does demand for caster wheels set of 4 peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the caster wheels set of 4 niche?
- Listings span £4.22–£24.27; the average listing price is £9.01 (sweet spot $15–$100). The average incumbent carries 1,655 reviews — the moat a new listing must climb.