Is 80/100-21 dirt bike tube profitable to sell on Amazon United States?

The niche generates $59K/yr across 9 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +40.1%. Flapen's verdict: Skip it (45/100).

How competitive is the 80/100-21 dirt bike tube niche?

5 brands and 11 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 80/100-21 dirt bike tube?

Top complaints mined from reviews: Quality-Overall, Durability, Assembly/Installation. The return rate is 1.6%.

When does demand for 80/100-21 dirt bike tube peak?

Demand peaks in May–Jun–Jul–Sep; the busiest month runs 3.0× the quietest.

What does it cost to enter the 80/100-21 dirt bike tube niche?

Listings span $16.23–$28.58; the average listing price is $22.37 (sweet spot $15–$100). The average incumbent carries 1,775 reviews — the moat a new listing must climb.

80/100-21 dirt bike tube

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Price range

Incredible$16.23–$28.58

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

Avg price

Great$22.37

avg listing price — sweet spot $15–$100

Returns

Great1.6%

return rate — above 5% kills the launch gate

Conversion

Great8.5%

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

Growth

Good+40.1%

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

Review moat

Okay1,775.33

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Bad$59K

$59K/yr · 31K searches

Competition

Bad85%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, 80/100-21 dirt bike tube is a $59K/yr Amazon United States market (31K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul–Sep. Verdict: Skip it — 45/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

PIVOTRAX40%
TUSK33%
AR-PRO20%
GDHSWJ5%
GICOOL3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +40.1% search growth over the last 90 days.

Peak months: May, Jun, Jul, Sep · busiest ÷ quietest = 3.0×

Open Trend

Top 80/100-21 dirt bike tube search terms

80/100-21 dirt bike tube9K/yr +29.3%13.8% conv.
motorcycle inner tube6K/yr +40.2%0.6% conv.
motorcycle tube7K/yr +46.2%0.9% conv.
80/100-21 tube3K/yr +34.8%10.7% conv.
motorcycle tire tube3K/yr +66.4%1.0% conv.
motorcycle tubes3K/yr +41.7%1.8% conv.

All search terms

Top 80/100-21 dirt bike tube 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 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

PIVOTRAX-90/90-21 or 80/100-21 (3.00 X 21) Heavy Duty Motorcycle Tube - 3mm Thick - TR4 Valve

PIVOTRAX$26.324.6★2,101 rev

Tusk Heavy Duty 2mm Motorcycle Inner Tube Butyl Rubber Upgraded Replacement Tube 80/10021

TUSK$18.994.6★849 rev

2.75/3.00-21 Replacement Inner Tube 80/100-21(300/325-21) with TR4 Staight Valve Stem Fits Motorcycle with 21 Tires (2-Pack) - Made from Heavy Duty Thick Premium Rubber

AR-PRO$16.234.3★8,034 rev

Tusk Severe Duty 3mm Motorcycle Inner Tube 80/100x21 - Reinforced Butyl Rubber TR4 Valve Stem Heavy Duty Replacement

TUSK$23.044.9★82 rev

PIVOTRAX 3.00-12 (80/100-12) 12 Heavy Duty Inner Tube - 2mm - TR4 Valve Honda CRF70 CRF110 Suzuki DRZ110 JR80 Kawasaki KX65 KX110 KLX110 Yamaha TTR90 PW80 Coolster TaoTao Razor SYX Motos

PIVOTRAX$19.614.4★1,675 rev

Newest

by launch date

GICOOL 4.10x19 (100/90-19) Butyl Inner Tubes Motorcycle Replacement 3mm Thick Heavy Duty 2 Pack with TR4 Valve Stem Fits for Dirt Pit Bike Off-Road and Motocross Tires

GICOOL$28.58206 rev

3mo ago

(2-Pack) 2.75/3.00-21 Inner Tubes 80/100-21 or 90/90-21 Heavy Duty Dirt Bike Inner Tubes 2mm Thick TR4 Valve Fits HondaAfrica Twin CRF230 CRF250 CR250 Kawasaki KLR KDX200 and More

GDHSWJ$24.1281 rev

11mo ago

Tusk Severe Duty 3mm Motorcycle Inner Tube 80/100x21 - Reinforced Butyl Rubber TR4 Valve Stem Heavy Duty Replacement

TUSK$23.0482 rev

4y ago

Tusk Heavy Duty 2mm Motorcycle Inner Tube Butyl Rubber TR-4 Valve Stem 110/100x18 120/100x18

TUSK$17.95849 rev

4y ago

Tusk Heavy Duty 2mm Motorcycle Inner Tube Butyl Rubber Upgraded Replacement Tube 80/10021

TUSK$18.99849 rev

4y ago

What buyers say about 80/100-21 dirt bike tube

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

What buyers love

Quality-Overall18%

“Quality tube”

Size-Overall18%

“Fit perfect”

Advertised Vs Actual Product14%

“What I was looking for”

Thickness11%

“Nice thick tubes with sturdy stems”

Value For Money10%

“Best bang for your buck”

Weight Heavy8%

“Heavy duty”

Strength4%

“very sturdy”

Instructions/User Manual/Troubleshooting3%

“Helpful hint”

Assembly/Installation2%

“Easy installing”

Leak-Proof2%

“Perfect size, no leakage right out the box so not defective in any way from shipper”

What buyers complain about

Quality-Overall22%

“COMPLETE TRASH”

Durability20%

“Product breaks IMMEDIATELY”

Assembly/Installation7%

“Didnt even get to install it”

Flatness5%

“Both went flat in 46 hours”

Thin5%

“thin feel”

Value For Money5%

“Waste of money”

Functionality-Overall5%

“Didnt hold air new”

Size-Overall5%

“Did not fit”

Leak-Proof4%

“it started leaking at a seam behold a giant gash”

Thickness4%

“A little extra thickness”

Top return reasons

Size-Overall51%

Leak-Proof14%

Functionality-Overall5%

Defective Material/Parts5%

Advertised Vs Actual Product3%

Value For Money3%

Compatibility-Overall2%

Weight Heavy2%

Material Quality2%

Thickness2%

Common questions

Is 80/100-21 dirt bike tube profitable to sell on Amazon United States?: The niche generates $59K/yr across 9 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +40.1%. Flapen's verdict: Skip it (45/100).
How competitive is the 80/100-21 dirt bike tube niche?: 5 brands and 11 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 80/100-21 dirt bike tube?: Top complaints mined from reviews: Quality-Overall, Durability, Assembly/Installation. The return rate is 1.6%.
When does demand for 80/100-21 dirt bike tube peak?: Demand peaks in May–Jun–Jul–Sep; the busiest month runs 3.0× the quietest.
What does it cost to enter the 80/100-21 dirt bike tube niche?: Listings span $16.23–$28.58; the average listing price is $22.37 (sweet spot $15–$100). The average incumbent carries 1,775 reviews — the moat a new listing must climb.

80/100-21 dirt bike tube