8 inch wheels
Worth a lookShows a sweet-spot price point ($28.98 avg), but a small market ($37K/yr) keeps it on the watch list.
Avg price
Incredible$28.98avg listing price — sweet spot $15–$100
Price range
Great$9.43–$89.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Great56%top-5 brand share — no brand owns this niche
Review moat
Great490.2avg incumbent reviews — the moat a new listing must climb
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Growth
Good+26.6%90-day search growth — must beat 0% to launch
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Returns
Bad5.2%return rate — above 5% kills the launch gate
Market size
Bad$37K$37K/yr · 41K searches
According to Flapen's Amazon United States niche tracking, 8 inch wheels is a $37K/yr Amazon United States market (41K searches/yr). The top 5 brands hold 56% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
8 inch wheels market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $36K–$43K
- units × avg price
- Conversion rate
- 3.1%
- Avg BSR
- #2,116
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 2.3%
- Avg brand age
- 45 months
- Avg seller age
- 185 days
Competition & brand share
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.Brands
25 falling
Sellers
39
Top-5 brand share
56%
Top 20: 96%
Top-5 click share
48%
Top 20: 92%
Open market
39%
- AR-PRO15%
- CheeMuii14%
- PINGEUI12%
- Shepherd9%
- NISUSK6%
- GICOOL5%
Demand & seasonality
Weekly Amazon search volume, last 54 weeks — +26.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.7×
Top 8 inch wheels search terms
- 8 inch wheels11K/yr
- 8 inch tires6K/yr
- 8 wheels6K/yr
- 8 inch wheel6K/yr
- 8 wheels for cart5K/yr
- 8 wheel5K/yr
- cart wheels 8 inch2K/yr
Top 8 inch wheels 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
CheeMuii 8 Inch Lawn Mower Wheels 2 Pack 8 Push Lawn Mower Wheels with Bolts and Lock Nuts Kit Fit for Most Standard push Lawn Mowers/Generator/Garden Tiller/Handtruck
CheeMuii$17.854.3★972 rev
PINGEUI 4 PCS 8 Inch Solid Rubber Tire Flat Free Solid Rubber Wheels Hand Truck Replacement Wheels 1/2-Inch Axle Hole 220 lbs Max Load-Bearing Capacity
PINGEUI$27.434.5★234 rev
AR-PRO (2-Pack) 8-Inch Solid Wheel Replacement - 2.50-4 Flat Free Tire and Wheel with 5/8 extra 3/4 Bearings and 2.2 Offset Hub - Compatible with Hand Truck Generator Gorilla Carts
AR-PRO$31.694.3★1,593 rev
8 Inch Caster Wheels Industry & Farms All-Terrain Heavy Duty Rubber Caster Wheel Metal Ball Bearing Wheels Load 1200lbs for Logging Cart Dolly Trolley Wagon and Chicken Coop
NISUSK$28.374.4★59 rev
Shepherd Hardware 8 Semi-Pneumatic Replacement Wheel Diamond Tread Rubber Tire with Steel Ball-Bearing Hub & 1/2 Bore Flat-Free Wheel for Lawn Carts Wagons Hand Trucks & Equipment
Shepherd$11.644.5★179 rev
Newest
by launch date
8-Inch Flat-free Tire and Wheel 2.50-4 Solid Tire Replacement with 5/8 Bearings 2.2 Offset Hub Compatible with Hand Truck Garden Wagon Trolley Dolly (2 Pack)
CMOOD$24.297 rev
Covzoe 4 Pack 8 Inch Solid Rubber Tire Universal Hand Truck Replacement Wheel 1/2-Inch Axle Hole Lawn Mower Wheels for Cart Trolley Dolly
Covzoe$21.4114 rev
phepetroll 8 Inch Lawn Mower Wheels Kits Universal 8 Push Mower Wheels with 1/2 Bearing Bolts & Nuts Plastic Replacement Tires for Most Standard Garden Tiller Pressure Washer Handtruck 2 Pack
phepetroll$17.81230 rev
GINLANK 4 PCS 8 Inch Solid Rubber Tire Black Blue Solid Rubber Wheels Hand Truck Replacement Wheels for Garden Carts Wheelbarrows
GINLANK$24.9835 rev
8 Inch Pneumatic Caster Wheels Set of 4 (2 Swivel/2 Rigid) Heavy Duty Casters Tolerable 880 LBS Rubber Knobby Tread for Workbench Cart Trolley Wagon and Shelves
VELPAX$78.56225 rev
Trending
90-day click momentum8-Inch Flat-free Tire and Wheel 2.50-4 Solid Tire Replacement with 5/8 Bearings 2.2 Offset Hub Compatible with Hand Truck Garden Wagon Trolley Dolly (2 Pack)
CMOOD$24.294.1★
72-108 Wheels Replaces for Oregon 8 Inch Universal Wheels Tires Compatible with Craftsman AYP MTD Lawn Mower Radio Flyer Wagon BBQ Grill Hand Truck and Lawn Sprayer
budrash$19.214.6★
phepetroll 8 Inch Lawn Mower Wheels Kits Universal 8 Push Mower Wheels with 1/2 Bearing Bolts & Nuts Plastic Replacement Tires for Most Standard Garden Tiller Pressure Washer Handtruck 2 Pack
phepetroll$17.814.3★
Covzoe 4 Pack 8 Inch Solid Rubber Tire Universal Hand Truck Replacement Wheel 1/2-Inch Axle Hole Lawn Mower Wheels for Cart Trolley Dolly
Covzoe$21.414.4★
CheeMuii 8 Inch Lawn Mower Wheels 2 Pack 8 Push Lawn Mower Wheels with Bolts and Lock Nuts Kit Fit for Most Standard push Lawn Mowers/Generator/Garden Tiller/Handtruck
CheeMuii$17.854.3★
What buyers say about 8 inch wheels
What buyers praise and complain about, mined from review topics.What buyers love
“Great wheels”
“Fit good”
“They are a solid product and built well”
“as advertised”
“Good value”
“Easy installation”
“they seem durable”
“SERIOUSLY heavy duty casters”
“Well built and worth the money”
“Heavy Duty”
What buyers complain about
“Too small”
“Broke after the first use”
“There should be some penalty for false advertising”
“for some reason they are very expensive”
“just doesnt swivel right”
“I wouldnt call them heavy-duty”
“Removing the 5/8 inch bearings to use the 3/4 inch bearings is NOT accomplished easily as the instructions imply”
“tire size too thick”
“sloppy”
“Not for hard work”
Top return reasons
Common questions
- Is 8 inch wheels profitable to sell on Amazon United States?
- The niche generates $37K/yr across 30 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +26.6%. Flapen's verdict: Worth a look (51/100).
- How competitive is the 8 inch wheels niche?
- 25 brands and 39 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 56% of demand.
- What do buyers complain about in 8 inch wheels?
- Top complaints mined from reviews: Size-Overall, Durability, Advertised Vs Actual Product. The return rate is 5.2% — above our launch gate.
- When does demand for 8 inch wheels peak?
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- What does it cost to enter the 8 inch wheels niche?
- Listings span $9.43–$89.43; the average listing price is $28.98 (sweet spot $15–$100). The average incumbent carries 490 reviews — the moat a new listing must climb.