Is 9x3.50-4 tire profitable to sell on Amazon United States?

The niche generates $41K/yr across 21 tracked products. 2 of 7 products launched in the last 360 days are still selling. 90-day search growth is +111.4%. Flapen's verdict: Worth a look (63/100).

How competitive is the 9x3.50-4 tire niche?

18 brands and 39 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 61% of demand.

What do buyers complain about in 9x3.50-4 tire?

Top complaints mined from reviews: Quality-Overall, Durability, Size-Overall. The return rate is 2.9%.

When does demand for 9x3.50-4 tire peak?

Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 5.8× the quietest.

What does it cost to enter the 9x3.50-4 tire niche?

Listings span $19.96–$65.99; the average listing price is $39.94 (sweet spot $15–$100). The average incumbent carries 261 reviews — the moat a new listing must climb.

9x3.50-4 tire

Worth a look

Shows demand growing +111.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+111.4%

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

Avg price

Incredible$39.94

avg listing price — sweet spot $15–$100

Price range

Incredible$19.96–$65.99

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

Review moat

Great260.62

avg incumbent reviews — the moat a new listing must climb

Brand share

Good61%

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

Conversion

Good6.3%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Good2.9%

return rate — above 5% kills the launch gate

Competition

Okay56%

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

Market size

Bad$41K

$41K/yr · 16K searches

Signals Trending Low Review Barrier

According to Flapen's Amazon United States niche tracking, 9x3.50-4 tire is a $41K/yr Amazon United States market (16K searches/yr). The top 5 brands hold 61% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 63/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

9x3.50-4 tire market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: $30K–$40K; units × avg price
Conversion rate: 6.3%
Avg BSR: #489
Page quality: 0%
Prime: 95%
Sponsored: 81%
Out of stock: 15.6%
Avg brand age: 49 months
Avg seller age: 159 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

Top-5 brand share

61%

Top 20: 100%

Top-5 click share

56%

Top 20: 99%

Open market

33%

GICOOL22%
AR-PRO14%
RETOTLA13%
Parts Camp7%
Slother6%
FVRITO5%

Demand & seasonality

Weekly Amazon search volume, last 96 weeks — +111.4% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 5.8×

Open Trend

Top 9x3.50-4 tire 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.

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

All 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

GICOOL 9x3.50-4 Zero Turn Mower Flat Free Tire and Wheel Assembly (2-Pack) Smooth Tread Front Tires for ZTR Mowers Adjustable Centered Hub Length 3.5-4-4.5-5 3/4 & 5/8 Bearing Bore

GICOOL$48.474.5★31 rev

(2-Pack) 9x3.50-4 Flat Free Lawnmower Tire and Wheel Assemblies - PU Tire on Wheel and Adapter Kits with 3.5 Centered Hub 3/4 Bushings

AR-PRO$38.014.3★1,095 rev

9x3.50-4 Flat-Free Lawn Mower Tire Heavy-Duty PU Solid Tires with 3.5-5 Centered Hub 3/4 and 5/8 Axle Bore 9 Solid Tire for Zero-Turn Mowers Garden Carts Yellow 2pcs

RETOTLA$39.853.5★22 rev

2Pcs 9x3.50-4 Flat Free Tire Lawn Mower Tire with 3.5 Centered Hub 3/4& 5/8 Bearings 2/5& 1/5 Metal Spacers 3.5-4-4.5-5 Centered Hub Smooth Tread Tire for Zero Turn Mowers

Slother$50.804.3★59 rev

FVRITO 9x3.50-4 9x3-1/2 Tire and Inner Tube for Mini ATV Quad Go Kart Petrol Electric Gas Skateboard Scooter Mini Choppers Garden Lawnmower Tractor with Bent Valve Stem

FVRITO$20.784.5★486 rev

Newest

by launch date

9x3.50-4 Flat-Free Lawn Mower Tire Solid Smooth Tire with 3/4 and 5/8 Axle Bore 3.5-5 Centered Hub 9 Solid Tire for Zero-Turn Mowers Garden Carts Wheelbarrows 2pcs

RETOTLA$49.5810 rev

3mo ago

9x3.50-4 Flat Free Lawn Mower Tires Flat Free Tires and Wheel With 5/8 or 3/4 Precision Bearings and 3.5-4.4 Center Hub Solid Smooth Tire for Zero-Turn LawnmowersLoad 265lbs 2 Pack White

NUBAUTO$47.251 rev

4mo ago

GICOOL 9x3.50-4 Zero Turn Mower Flat Free Tire and Wheel Assembly (2-Pack) Smooth Tread Front Tires for ZTR Mowers Adjustable Centered Hub Length 3.5-4-4.5-5 3/4 & 5/8 Bearing Bore

GICOOL$48.4731 rev

5mo ago

LTNICER 9x3.50-4 Tire and Inner Tube Set Replacement 9x3-1/2 Tire with Bent Valve Stem Heavy Duty Butyl Tube for Go Kart Scooter Mini Bike Lawn Mower 2 Pack

LTNICER$30.667 rev

7mo ago

9x3.50-4 Flat Free Tire Lawn Mower Tire and Wheel Smooth Tread Tire for Zero Turn Mowers Centered Hub Length 3.5-4-4.5-5 Bearing Bore 3/4 & 5/8 2 PCS

Vershin$43.212 rev

7mo ago

What buyers say about 9x3.50-4 tire

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

What buyers love

Size-Overall26%

“Exact fit”

Quality-Overall23%

“Good quality set with a lot of uses”

Value For Money11%

“Good value”

Wheel Quality9%

“wheel good”

Assembly/Installation6%

“Easy installation”

Durability4%

“durable”

Advertised Vs Actual Product4%

“does the job”

Smell3%

“Fast shipping love the smell of new rubberr”

Material Quality2%

“Good Heavier Grade Rubber Treaded Tires W/Tubes - Good Treaded Traction - Fits my Go Cart”

Friction1%

“Good Heavier Grade Rubber Treaded Tires W/Tubes - Good Treaded Traction - Fits my Go Cart”

What buyers complain about

Quality-Overall40%

“Poor quality”

Durability16%

“Didnt last 15 minutes”

Size-Overall6%

“They seem a bit taller”

Mounting3%

“send them with no bearings installed”

Value For Money3%

“Can get a better price”

Leak-Proof3%

“leaking ones on a Tomcat floor scrubber used at a vehicle repair facility”

Hard Feel3%

“They are harder/stiffer than I hoped”

Advertised Vs Actual Product2%

“Item not as described”

Strength2%

“it appears too flimsy for that use”

Weight Heavy2%

“It turned out a lot heavier than I was planning”

Top return reasons

Size-Overall66%

Advertised Vs Actual Product8%

Functionality-Overall8%

Assembly/Installation4%

Compatibility-Overall4%

Quality-Overall3%

Material Quality2%

Durability2%

Defective Material/Parts1%

Weight Light1%

Common questions

Is 9x3.50-4 tire profitable to sell on Amazon United States?: The niche generates $41K/yr across 21 tracked products. 2 of 7 products launched in the last 360 days are still selling. 90-day search growth is +111.4%. Flapen's verdict: Worth a look (63/100).
How competitive is the 9x3.50-4 tire niche?: 18 brands and 39 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 61% of demand.
What do buyers complain about in 9x3.50-4 tire?: Top complaints mined from reviews: Quality-Overall, Durability, Size-Overall. The return rate is 2.9%.
When does demand for 9x3.50-4 tire peak?: Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 5.8× the quietest.
What does it cost to enter the 9x3.50-4 tire niche?: Listings span $19.96–$65.99; the average listing price is $39.94 (sweet spot $15–$100). The average incumbent carries 261 reviews — the moat a new listing must climb.