Is bike stem profitable to sell on Amazon United States?

The niche generates $139K/yr across 32 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +33.2%. Flapen's verdict: Skip it (48/100).

How competitive is the bike stem niche?

19 brands and 36 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 71% of demand.

What do buyers complain about in bike stem?

Top complaints mined from reviews: Quality-Overall, Size-Overall, Weight Heavy. The return rate is 5.1% — above our launch gate.

When does demand for bike stem peak?

Demand is steady year-round — the busiest month runs 1.7× the quietest.

What does it cost to enter the bike stem niche?

Listings span $7.76–$78.75; the average listing price is $23.00 (sweet spot $15–$100). The average incumbent carries 1,111 reviews — the moat a new listing must climb.

bike stem

Skip it

Weak search conversion (1.5%) — this niche doesn't clear our bar today.

Avg price

Incredible$23.00

avg listing price — sweet spot $15–$100

Price range

Great$7.76–$78.75

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

Competition

Good48%

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

Review moat

Good1,110.75

avg incumbent reviews — the moat a new listing must climb

Growth

Good+33.2%

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

Brand share

Good71%

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

Market size

Okay$139K

$139K/yr · 411K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Returns

Bad5.1%

return rate — above 5% kills the launch gate

Conversion

Bad1.5%

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

Signals High Returns

According to Flapen's Amazon United States niche tracking, bike stem is a $139K/yr Amazon United States market (411K searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 48/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

bike stem market data

Units sold / yr: 5K–6K; avg 100–250/product
Revenue / yr: $115K–$138K; units × avg price
Conversion rate: 1.5%
Avg BSR: #67
Page quality: 0%
Prime: 97%
Sponsored: 94%
Out of stock: 7.0%
Avg brand age: 59 months
Avg seller age: 182 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 rising

Sellers

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

48%

Top 20: 84%

Open market

24%

WAKE26%
CYSKY16%
FOMTOR12%
MEGHNA9%
FIFTY-FIFTY8%
Azarxis5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +33.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.7×

Open Trend

Top bike stem search terms

bike stem109K/yr +44.1%0.9% conv.
mtb stem80K/yr +16.0%0.8% conv.
31.8 stem34K/yr +46.0%1.1% conv.
mountain bike stem32K/yr +26.2%1.0% conv.
bike stems28K/yr +3.0%0.4% conv.
bicycle stem22K/yr +26.1%0.7% conv.
road bike stem22K/yr +21.5%0.6% conv.
handlebar stem13K/yr +45.1%0.8% conv.
mtb stem 31.813K/yr +34.0%1.0% conv.
ebike stem10K/yr +61.5%1.6% conv.

All search terms

Top bike stem 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Bike Stem 31.8 45mm WAKE Mountain Bike Stem Bicycle Handlebar Stem Suitable for BMX MTB Road Bike (Aluminum Alloy Adjustable Black)

WAKE$10.094.6★6,331 rev

MEGHNA MTB Short Bike Stem 22.2mm Mountain Bike Handlebar Stem 35mm for Most Bike Road Bike MTB BMX

MEGHNA$13.284.7★306 rev

CYSKY 31.8 Stem 35mm 0 Degree MTB Short Stem Mountain Bike Stem Handlebar Riser 1-1/8 for Most Bicycle Road Bike MTB Downhill BMX Cycling (Black & Titanium)

CYSKY$15.424.5★357 rev

Ritchey Comp 4-Axis Stem - 60mm 31.8 30 Degree Matte Black

Ritchey$56.714.6★178 rev

31.8 Stem 60mm 7 Degree FOMTOR Light-Weight Bike Handlebar Stem MTB Stem Suitable for Mountain Bike Road Bike BMX MTB (31.8 x 60mm)

FOMTOR$18.724.7★1,247 rev

Newest

by launch date

FIFTY-FIFTY Mountain Bike Stem Aluminum Alloy Short MTB Stem Suitable for 1-1/8 Steer Tube 31.8mm Bicycle Handlebar Fits for All Mountain Endure Downhill Freeride (35mm Black)

FIFTY-FIFTY$30.8484 rev

11mo ago

FIFTY-FIFTY Mountain Bike Stem Aluminum Alloy Short MTB Stem Suitable for 1-1/8 Steer Tube 31.8mm Bicycle Handlebar Fits for All Mountain Endure Downhill Freeride (35mm Red)

FIFTY-FIFTY$31.3184 rev

11mo ago

HARFINGTON 31.8mm Bike Stem 35mm Aluminum Alloy Bicycle Handlebar Stem for Mountain Road Bike BMX MTB Cycling Silver

HARFINGTON$21.4013 rev

1y ago

Azarxis Bike Stem 31.8mm 45mm Mountain Bike Stem Short Handlebar Aluminum Alloy CNC for Most Road Bicycle MTB BMX Fixie Gear Cycling (Silver - 31.8mm)

Azarxis$7.761,518 rev

1y ago

TRIWONDER Bike Stem 45mm Short Handlebar Stem 25mm.4 31.8mm Mountain Bike Stem for Most Bicycle Road Bike MTB BMX Fixie Gear Cycling (Black 31.8 x 45mm)

TRIWONDER$8.24204 rev

1y ago

What buyers say about bike stem

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

What buyers love

Quality-Overall19%

“Good Quality”

Size-Overall14%

“Fits my bars perfectly”

Advertised Vs Actual Product10%

“As advertised”

Strength8%

“Really good and strong”

Weight Light7%

“is lighter then the stem I had”

Comfort-Overall6%

“which improved comfort”

Assembly/Installation5%

“installation was simple”

Value For Money4%

“cheap price”

Durability4%

“First reason is that it didn't break”

Mounting3%

“Great direct mount clamps”

What buyers complain about

Quality-Overall17%

“cap going into bicycle fork head wasn't trying to use old one since it wasn't great quality”

Size-Overall16%

“I screwed up when I ordered it doesn't fit my bars”

Weight Heavy10%

“I would still have a hard time putting anything this heavy on my road bike”

Flexibility8%

“Deforms a bit when tightened enough to hold”

Grip6%

“It slips”

Color6%

“was just all black”

Adjustability/Rotatability/Reclining3%

“I just wish that it would adjust a little further back toward the rider”

Value For Money3%

“too cheap to buy new bikes”

Strength3%

“flimsy bolts”

Thickness2%

“Pretty thin,”

Top return reasons

Size-Overall83%

Advertised Vs Actual Product5%

Defective Material/Parts2%

Functionality-Overall1%

Compatibility-Overall1%

Value For Money1%

Assembly/Installation1%

Weight Heavy1%

Product Condition1%

Scratch Resistance1%

Common questions

Is bike stem profitable to sell on Amazon United States?: The niche generates $139K/yr across 32 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +33.2%. Flapen's verdict: Skip it (48/100).
How competitive is the bike stem niche?: 19 brands and 36 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 71% of demand.
What do buyers complain about in bike stem?: Top complaints mined from reviews: Quality-Overall, Size-Overall, Weight Heavy. The return rate is 5.1% — above our launch gate.
When does demand for bike stem peak?: Demand is steady year-round — the busiest month runs 1.7× the quietest.
What does it cost to enter the bike stem niche?: Listings span $7.76–$78.75; the average listing price is $23.00 (sweet spot $15–$100). The average incumbent carries 1,111 reviews — the moat a new listing must climb.

bike stem

bike stem market data

Competition & brand share

Demand & seasonality

Top bike stem search terms

Top bike stem products on Amazon

Top sellers

Newest

Trending

What buyers say about bike stem

What buyers love

What buyers complain about

Top return reasons

Common questions

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