16x4 tire
Worth a lookShows searches that convert (15.7% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Conversion
Incredible15.7%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Incredible$24.85avg listing price — sweet spot $15–$100
Review moat
Great161.67avg incumbent reviews — the moat a new listing must climb
Price range
Great$12.59–$56.71cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Growth
Good+32.1%90-day search growth — must beat 0% to launch
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Market size
Bad$64K$64K/yr · 16K searches
According to Flapen's Amazon United States niche tracking, 16x4 tire is a $64K/yr Amazon United States market (16K searches/yr). The top 5 brands hold 81% of demand. Verdict: Worth a look — 60/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
16x4 tire market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $37K–$50K
- units × avg price
- Conversion rate
- 15.7%
- Avg BSR
- #402
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 94%
- Out of stock
- 9.7%
- Avg brand age
- 41 months
- Avg seller age
- 202 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
13
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
12%
- NAIXTYRE22%
- Libereco21%
- PAKCHEF19%
- QSDHWJY11%
- ZUKKA9%
- YunSCM6%
- Open — no brand owns it (5 brands, 12%)
Demand
Weekly Amazon search volume, last 14 weeks — +32.1% search growth over the last 90 days.Top 16x4 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Bike Inner Tube 16 inch Bike Tube 16x4.0 Fat Tire Tube 2 Pack Electric Bike Tire Tube Heavy-Duty Butyl Rubber Tube with Schrader Valve for 16 Inch Ebike
NAIXTYRE$17.204.3★43 rev

1/2 PCS 16x4.0 Bike Inner Tube | Schrader Valve | for 16 Inches Fat Tire Snow & Sand Bikes | Heavy-Duty Rubber (2 PCS Inner Tubes 16x4.0 Inches)
Libereco$17.324.6★22 rev

2-Pack 16x4.0 Fat Tire Tube 16x4 Inner Tube 16x4 Bike Tube
QSDHWJY$16.281.0★1 rev

PAKCHEF Heavy Duty 16x4.0 Fat Tire Tube with Schrader Valve - Premium Butyl Rubber Bicycle Tubes for Ebike Bicycle - 2 Pack with Tyre Levers
PAKCHEF$20.294.2★22 rev

PAKCHEF 16 x 4.0 Inner Tube with Schrader Valve - Ideal for Kids Electric Bike with 16 Inch Fat Tires - Butyl Rubber Durable & Reliable Performance (2 Pack)
PAKCHEF$19.524.3★44 rev
Newest
by launch date
2 Pack 16x4.0 Fat E-Bike Inner Tube with Schrader Valve
Dionysoplos$18.261 rev

1 Pcs16x4.0 Replacemen Inner Tube 16x4.0 Bikes Tube with 16 inch E-Bikes Electric Scooters Mopeds Bikes and Folding Bikes
DANLIAUO$13.495 rev

Bike Inner Tube 16 inch Bike Tube 16x4.0 Fat Tire Tube 2 Pack Electric Bike Tire Tube Heavy-Duty Butyl Rubber Tube with Schrader Valve for 16 Inch Ebike
NAIXTYRE$17.2043 rev

2-Pack 16x4.0 Fat Tire Tube 16x4 Inner Tube 16x4 Bike Tube
QSDHWJY$16.281 rev

PAKCHEF 16 x 4.0 Inner Tube with Schrader Valve - Ideal for Kids Electric Bike with 16 Inch Fat Tires - Butyl Rubber Durable & Reliable Performance (1 Pack)
PAKCHEF$13.3844 rev
Trending
90-day click momentum
Bike Inner Tube 16 inch Bike Tube 16x4.0 Fat Tire Tube 2 Pack Electric Bike Tire Tube Heavy-Duty Butyl Rubber Tube with Schrader Valve for 16 Inch Ebike
NAIXTYRE$17.204.3★

1 Pcs16x4.0 Replacemen Inner Tube 16x4.0 Bikes Tube with 16 inch E-Bikes Electric Scooters Mopeds Bikes and Folding Bikes
DANLIAUO$13.494.7★

2-Pack 16x4.0 Fat Tire Tube 16x4 Inner Tube 16x4 Bike Tube
QSDHWJY$16.281.0★

2 Pack 16x4.0 Fat E-Bike Inner Tube with Schrader Valve
Dionysoplos$18.265.0★

16x4.0 Inner Tube E Bike Tube with Extra 2 Fluorescent Valve Ideal for Mountain Bikes E-Bikes
ZUKKA$21.475.0★
What buyers say about 16x4 tire
What buyers praise and complain about, mined from review topics.What buyers love
“Fit perfect”
“Great Performance”
“Strong durable”
“Easy to install”
“As long as you double-check your tire size before ordering, these fit perfectly and are compatible with a wide variety of bikes and rides, including e-bikes, electric scooters, mopeds, folding bikes, kids bikes, and more”
“The thicker rubber also adds an extra level of durability compared to many standard tubes”
“Worth the buy”
“As described”
“the high-quality butyl rubber compound is incredibly effective”
“it allows for easy”
What buyers complain about
“It lasted one day and popped”
“Seems to be of thicker rubber than factory tube”
“The air nozzle wouldnt fit thru the rim tube had a hole in it”
“No instructions or support”
“Not 16 inches. This actually measure out to be closer to 12 inches not 16”
“It's noticeably heavier than what came on the bike”
“Without a bent nozzle it was very difficult to fill my tires”
“so storing it won't be as easy”
“I swapped one into a kids electric bike that had a slow leak”
“Cheap product”
Top return reasons
Common questions
- Is 16x4 tire profitable to sell on Amazon United States?
- The niche generates $64K/yr across 18 tracked products. 7 of 15 products launched in the last 360 days are still selling. 90-day search growth is +32.1%. Flapen's verdict: Worth a look (60/100).
- How competitive is the 16x4 tire niche?
- 11 brands and 13 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in 16x4 tire?
- Top complaints mined from reviews: Durability, Thickness, Size-Overall. The return rate is 0.8%.
- What does it cost to enter the 16x4 tire niche?
- Listings span $12.59–$56.71; the average listing price is $24.85 (sweet spot $15–$100). The average incumbent carries 162 reviews — the moat a new listing must climb.