Is 700x38c bike tube profitable to sell on Amazon United States?

The niche generates $401K/yr across 16 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +34.3%. Flapen's verdict: Worth a look (56/100).

How competitive is the 700x38c bike tube niche?

8 brands and 27 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 88% of demand.

What do buyers complain about in 700x38c bike tube?

Top complaints mined from reviews: Quality-Overall, Leak-Proof, Durability. The return rate is 2.2%.

When does demand for 700x38c bike tube peak?

Demand peaks in Apr–May–Jun–Jul; the busiest month runs 4.2× the quietest.

What does it cost to enter the 700x38c bike tube niche?

Listings span $8.67–$20.57; the average listing price is $15.82 (sweet spot $15–$100). The average incumbent carries 974 reviews — the moat a new listing must climb.

700x38c bike tube

Worth a look

Shows searches that convert (13.7% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Conversion

Incredible13.7%

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

Avg price

Great$15.82

avg listing price — sweet spot $15–$100

Returns

Good2.2%

return rate — above 5% kills the launch gate

Review moat

Good974.06

avg incumbent reviews — the moat a new listing must climb

Growth

Good+34.3%

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

Market size

Good$401K

$401K/yr · 185K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Okay$8.67–$20.57

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

Competition

Okay68%

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

Brand share

Okay88%

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

According to Flapen's Amazon United States niche tracking, 700x38c bike tube is a $401K/yr Amazon United States market (185K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 56/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

YunSCM32%
DBXIIART28%
FANSPRO11%
BELL10%
Continental6%
Goodyear5%
Open — no brand owns it (2 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +34.3% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 4.2×

Open Trend

All search terms

Top 700x38c 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 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

2 PCS Heavy Duty Bike Tubes 700x38C 700x40C 700x43C 700x45C 38C/40C/42C/43C/45C Schrader Valve 35mm/48mm Bicycle Tubes Premium Quality Butyl Inner Tubes (Schrader Valve 35mm)

DBXIIART$16.534.6★318 rev

700C Heavy Duty Bike Tubes 700x35C/38C/40C/43C (35/43-622) 700C Bicycle Tubes Premium Butyl Rubber Compatible with Road Gravel Mountain Hybrid Bike Tire Tubes Schrader Valve AV48mm 2-PCS

YunSCM$16.924.4★3,540 rev

FANSPRO 2 Pack 700 x 35-43c Road Bike Inner Tubes 48mm Schrader Valve Premium Quality Butyl Inner Tube with 2 Tire Levers

FANSPRO$15.954.3★803 rev

Bell Standard Bicycle Inner Tube 700 x 35/43c Presta Valve

BELL$8.674.4★3,742 rev

Goodyear Self-Sealing Bicycle Tube - 700c Bike Tube with Butyl Rubber - Dependable Mountain Bike Tubes for Premium Cycling - 700 X 35/43c

Goodyear$11.644.2★500 rev

Newest

by launch date

Hydencamm 2 Pack 700x35C/38C/40C/43C AV48mm Schrader Valve 700c Bike Tube Butyl 700C Road Bike Tube with 2 Tire Levers 700c Tube Compatible with 700 x 35C 700x38C 700x40C 700x42C 700x43c Bike Tube

Hydencamm$12.90169 rev

10mo ago

2-PCS 700C Bike Tubes 700x35C/38C/40C/42C/43C 48mm Schrader Valve 35/43-622 Inner Tubes for 700 x 35C 700x38C 700x40C 700x42C 700x43C Road Gravel Bike Tire Tubes (G-274)

YunSCM$14.58695 rev

1y ago

2-PCS 700x35C/38C/40C/42C/43C Bike Tubes 48mm Presta Valve 35/43-622 Inner Tube 700C Bicycle Tubes Compatible 700 x 35C 700x38C 700 x 40C 700x42C 700x43C Bike Tire Tubes(G-190)

YunSCM$15.16147 rev

2y ago

2 PCS Heavy Duty Bike Tubes 700x38C 700x40C 700x43C 700x45C 38C/40C/42C/43C/45C Schrader Valve 35mm/48mm Bicycle Tubes Premium Quality Butyl Inner Tubes (Schrader Valve 35mm)

DBXIIART$16.53318 rev

2y ago

700x35C/38C/40C/42C/43C Bike Tubes 700C Bicycle Tubes Compatible 700 x 35C 700x38C 700 x 40C 700x42C 700x43C (35/43-622) Bike Tire Tubes 32mm Schrader Valve 2 PCS (G-163)

YunSCM$15.22102 rev

3y ago

What buyers say about 700x38c bike tube

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

What buyers love

Quality-Overall24%

“Good Quality”

Size-Overall17%

“Fit well”

Value For Money15%

“Excellent value”

Advertised Vs Actual Product12%

“Does what I need”

Assembly/Installation7%

“Easy install”

Durability6%

“they're durable”

Thickness4%

“It is, as they claim, thicker than other tubes”

Leak-Proof3%

“So far, they hold air without mystery/slow leaks”

Weight Heavy2%

“Heavy duty”

Rubber Quality2%

“They are heavy rubber and valves”

What buyers complain about

Quality-Overall24%

“Tube quality is poor”

Leak-Proof18%

“THEY LEAK”

Durability13%

“it popped within seconds”

Value For Money5%

“The cost also very high”

Size-Overall4%

“the air inlets are very short”

Weight Heavy3%

“They are a little heavy due to being heavy duty tubes”

Thin3%

“Very thin tubes”

Stitch/Finish/Polish3%

“no extreme riding the tube punctured/ripped at the seam”

Pressure3%

“my pump isnt showing any psi”

Advertised Vs Actual Product3%

“The Presta valve core on the tubes I received are not removable despite the product description stating they are”

Top return reasons

Size-Overall58%

Advertised Vs Actual Product9%

Leak-Proof7%

Compatibility-Overall5%

Defective Material/Parts3%

Inflation/Deflation3%

Value For Money2%

Functionality-Overall2%

Material Quality2%

Durability1%

Common questions

Is 700x38c bike tube profitable to sell on Amazon United States?: The niche generates $401K/yr across 16 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +34.3%. Flapen's verdict: Worth a look (56/100).
How competitive is the 700x38c bike tube niche?: 8 brands and 27 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in 700x38c bike tube?: Top complaints mined from reviews: Quality-Overall, Leak-Proof, Durability. The return rate is 2.2%.
When does demand for 700x38c bike tube peak?: Demand peaks in Apr–May–Jun–Jul; the busiest month runs 4.2× the quietest.
What does it cost to enter the 700x38c bike tube niche?: Listings span $8.67–$20.57; the average listing price is $15.82 (sweet spot $15–$100). The average incumbent carries 974 reviews — the moat a new listing must climb.

700x38c bike tube

700x38c bike tube market data

Competition & brand share

Demand & seasonality

Top 700x38c bike tube search terms