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57

14x2.125 bike tire

Worth a look

Shows a sweet-spot price point ($25.07 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 17Growth 86Conversion 63Competition 26Returns 79Price range 82Avg price 95Brand share 47Review moat 86Quality gap 53

Avg price

Incredible$25.07

avg listing price — sweet spot $15–$100

Growth

Great+87.3%

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

Review moat

Great285.36

avg incumbent reviews — the moat a new listing must climb

Price range

Great$10.73–$37.66

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

Returns

Great1.8%

return rate — above 5% kills the launch gate

Conversion

Good5.6%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay77%

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

Competition

Okay69%

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

Market size

Bad$67K

$67K/yr · 48K searches

According to Flapen's Amazon United States niche tracking, 14x2.125 bike tire is a $67K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 77% of demand. Verdict: Worth a look — 57/100.

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

14x2.125 bike tire market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
$75K–$100K
units × avg price
Conversion rate
5.6%
Avg BSR
#342
Page quality
0%
Prime
100%
Sponsored
86%
Out of stock
0.0%
Avg brand age
35 months
Avg seller age
171 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 falling

Sellers

23

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

18%

  • Libereco41%
  • MAKELEN15%
  • FOMAS9%
  • Sunlite6%
  • Hycline6%
  • Dioty5%

Demand

Weekly Amazon search volume, last 13 weeks — +87.3% search growth over the last 90 days.
2K1KSpike '26Apr '26May '26May '26Jun '26Jun '26Jul '26Jul '26

Top 14x2.125 bike tire search terms

  • 14x2.125 bike tire10K/yr
  • 14x2.1256K/yr
  • 14x2.125 tire5K/yr
  • 14 inch bike tire5K/yr
  • bike tires 14x2.1253K/yr
  • 14x2.125 bike tire for electric bike4K/yr
  • 14 x 2.125 electric bike tire3K/yr
  • 14 bike tire4K/yr
  • 14 x 2.125 tire3K/yr
  • 14 inch bike tires3K/yr
All search terms

Top 14x2.125 bike 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.

0%10%$7K20%$13K30%$20K40%$27K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

What buyers say about 14x2.125 bike tire

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

What buyers love

Quality-Overall24%

“Quality and affordable bundle”

Size-Overall16%

“Fit perfect”

Value For Money14%

“GREAT PRICE”

Advertised Vs Actual Product9%

“as advertised”

Assembly/Installation8%

“had the bike fully assembled”

Wheel Quality7%

“Happy with them tire”

Durability5%

“Really Durable”

Ease Of Use2%

“Easy to use”

Functionality-Overall2%

“Product works well”

Thickness2%

“thick and durable”

What buyers complain about

Quality-Overall14%

“just cheaply made”

Size-Overall11%

“Inner tube was ok the tires didn't fit”

Durability9%

“Bought these and they didnt even last an hour”

Leak-Proof7%

“Leaks”

Material Quality6%

“Poor material”

Value For Money5%

“Not a good deal after all”

Strength5%

“Dont hold air”

Assembly/Installation5%

“They are good just install is a pain”

Scratch Resistance4%

“Ugly markings on the tire that you can scrape off”

Pressure4%

“wouldn't hold air”

Top return reasons

Size-Overall63%
Advertised Vs Actual Product9%
Functionality-Overall5%
Leak-Proof5%
Defective Material/Parts3%
Inflation/Deflation3%
Value For Money2%
Durability2%
Material Quality2%
Assembly/Installation1%

Common questions

Is 14x2.125 bike tire profitable to sell on Amazon United States?
The niche generates $67K/yr across 14 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +87.3%. Flapen's verdict: Worth a look (57/100).
How competitive is the 14x2.125 bike tire niche?
12 brands and 23 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in 14x2.125 bike tire?
Top complaints mined from reviews: Quality-Overall, Size-Overall, Durability. The return rate is 1.8%.
What does it cost to enter the 14x2.125 bike tire niche?
Listings span $10.73–$37.66; the average listing price is $25.07 (sweet spot $15–$100). The average incumbent carries 285 reviews — the moat a new listing must climb.