14x2.125 bike tire
Worth a lookShows a sweet-spot price point ($25.07 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$25.07avg listing price — sweet spot $15–$100
Growth
Great+87.3%90-day search growth — must beat 0% to launch
Review moat
Great285.36avg incumbent reviews — the moat a new listing must climb
Price range
Great$10.73–$37.66cheapest 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.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
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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Libereco 2 Pack Electric Bike Tire 14x2.125(57-254 for 10 Rim) with 2 Bent Valve Tubes 3 Tire Levers Anti-Slip Folding E-Bike Kids Bike Tire
Libereco$37.044.6★132 rev

MAKELEN 2 Pack E-Bike Tire Kids Bike Tire 14x2.125 with 2 Tubes Strong Grip Compatible Replacement Bicycle Tire for Electrc Bicycle Black
MAKELEN$37.664.4★229 rev

Sunlite MX3 BMX Tires 14 x 2.125 Black/Black
Sunlite$10.734.5★1,310 rev

Hycline 14 Kid Bike Tire: 14x2.125 Inch (57-264 mm) Folding Replacement Puncture-Resistant Bicycle Tires-Compatible with BMX MTB Mountain Bike and Kids Children Racing
Hycline$16.934.5★426 rev

FOMAS 14 inch Bike Tire Anti-Slip 14 x 2.125 inch Foldable Replacement All Terrain 2 Pack with Levers for Kids Bicycle BMX Folding City Bike (Black 2 Pack with Inner Tube 14 x 2.125 inch)
FOMAS$28.384.6★9 rev
Newest
by launch date
FOMAS 14 inch Bike Tire Anti-Slip 14 x 2.125 inch Foldable Replacement All Terrain 2 Pack with Levers for Kids Bicycle BMX Folding City Bike (Black 2 Pack with Inner Tube 14 x 2.125 inch)
FOMAS$28.389 rev

FOMAS 14 inch Bike Tire Anti-Slip 14 x 2.125 inch Foldable Replacement All Terrain 2 Pack with Levers for Kids Bicycle BMX Folding City Bike (Black 2 Pack 14 x 2.125 inch)
FOMAS$20.512 rev

MEGHNA 14 inch Bike Tire Set Anti - Slip Tread 14 x 2.125 inch (57-254mm) Tire Replacement Foldable High Traction Stable Tires for Kids Bike Scooter BMX Folding Bike with Tire Levers
MEGHNA$18.105 rev

AVOKIN 14x2.125 Tire and Tube Set 57-254 E-Bike Replacement Tires
AVOKIN$29.7546 rev

Libereco Electric Bike Tire 14x2.125 (57-254) with Bent Valve Tubes 2 Tire Levers Anti-Slip Folding E-Bike Kids Bike Tire
Libereco$21.77132 rev
Trending
90-day click momentum
MEGHNA 14 inch Bike Tire Set Anti - Slip Tread 14 x 2.125 inch (57-254mm) Tire Replacement Foldable High Traction Stable Tires for Kids Bike Scooter BMX Folding Bike with Tire Levers
MEGHNA$18.104.8★

FOMAS 14 inch Bike Tire Anti-Slip 14 x 2.125 inch Foldable Replacement All Terrain 2 Pack with Levers for Kids Bicycle BMX Folding City Bike (Black 2 Pack with Inner Tube 14 x 2.125 inch)
FOMAS$28.384.6★

Sunlite MX3 BMX Tires 14 x 2.125 Black/Black
Sunlite$10.734.5★

FOMAS 14 inch Bike Tire Anti-Slip 14 x 2.125 inch Foldable Replacement All Terrain 2 Pack with Levers for Kids Bicycle BMX Folding City Bike (Black 2 Pack 14 x 2.125 inch)
FOMAS$20.514.0★

Libereco 2 Pack Electric Bike Tire 14x2.125(57-254 for 10 Rim) with 2 Bent Valve Tubes 3 Tire Levers Anti-Slip Folding E-Bike Kids Bike Tire
Libereco$37.044.6★
What buyers say about 14x2.125 bike tire
What buyers praise and complain about, mined from review topics.What buyers love
“Quality and affordable bundle”
“Fit perfect”
“GREAT PRICE”
“as advertised”
“had the bike fully assembled”
“Happy with them tire”
“Really Durable”
“Easy to use”
“Product works well”
“thick and durable”
What buyers complain about
“just cheaply made”
“Inner tube was ok the tires didn't fit”
“Bought these and they didnt even last an hour”
“Leaks”
“Poor material”
“Not a good deal after all”
“Dont hold air”
“They are good just install is a pain”
“Ugly markings on the tire that you can scrape off”
“wouldn't hold air”
Top return reasons
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.