- Flapen Score
- 48 / 100Top 46% of 8,101 Sports & Outdoors niches · +1 vs the category median of 4748
- Market size
- $139K/yr411K searches / yr
- 90-day growth
- +33.2%search demand this quarter
- Competition
- 48%top-5 click share · 19 brands · 36 sellers
Flapen Score
Bike Stem against its category
The dotted line is the Sports & Outdoors average. Past it, Bike Stem is stronger. Inside it, weaker.
Market
The Bike Stem market on Amazon at a glance
Shoppers on Amazon United States searched for Bike Stem 411K times last year and spent an estimated $139K. The top 5 brands take 71% of clicks. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 1.5% of those searches ended in a purchase.
Shoppers searched for this 411K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.5% of those searches ended in a purchase. Searches in the last 90 days moved +33.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $139K a year.
- Searches, last 12 months
- 411K
- Growth, 90 days vs prior 90
- +33.2%
- Conversion, latest week
- 1.5%
- Market size, estimated
- $139Ka year
- Peak month
- May1.7× the quietest month
- Top search term
- bike stem109K searches a year
02 · Price
A sale here is worth $23.00.
Listings sell for $23.00 on average, from $7.76 to $78.75. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At $23.00 that is $2K to $6K a year per listing.
- Average price
- $23.00inside the $15 to $100 sweet spot
- Price range
- $7.76–$78.75
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 5K–6K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$6K
- Returns
- 5.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
94% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 7.0% of listings are out of stock. The average listing ranks #67 within Parts & Components. It carries 1,111 reviews at 4.58 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 94%
- Prime listings
- 97%
- Out of stock, average day
- 7.0%
- Average rank
- #67in Parts & Components
- Average rating
- 4.58 starsAmazon United States average 4.42 stars
- Average reviews
- 1,111per listing
- Listings tracked
- 32
04 · Newcomers
1 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 59 months on average, so the names here are settling in.
- Launched, last 12 months
- 4
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 59 months
Products
Top Bike Stem products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 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)
- Price
- $10.09
- Rating
- 4.6/5
- Reviews
- 6,331
- Age
- 9y ago

MEGHNA MTB Short Bike Stem 22.2mm Mountain Bike Handlebar Stem 35mm for Most Bike Road Bike MTB BMX
- Price
- $13.28
- Rating
- 4.7/5
- Reviews
- 306
- Age
- 4y ago

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)
- Price
- $15.42
- Rating
- 4.5/5
- Reviews
- 357
- Age
- 1y ago

Ritchey Comp 4-Axis Stem - 60mm 31.8 30 Degree Matte Black
- Price
- $56.71
- Rating
- 4.6/5
- Reviews
- 178
- Age
- 6y ago

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)
- Price
- $18.72
- Rating
- 4.7/5
- Reviews
- 1,247
- Age
- 8y ago
Trending
estimated 90-day click momentum
Ritchey Comp 4-Axis Stem - 60mm 31.8 30 Degree Matte Black
- Price
- $56.71
- Rating
- 4.6/5
- Reviews
- 178
- Age
- 6y 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)
- Price
- $31.31
- Rating
- 4.9/5
- Reviews
- 84
- Age
- 11mo 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)
- Price
- $8.24
- Rating
- 4.6/5
- Reviews
- 204
- Age
- 1y ago

HARFINGTON 31.8mm Bike Stem 35mm Aluminum Alloy Bicycle Handlebar Stem for Mountain Road Bike BMX MTB Cycling Silver
- Price
- $21.40
- Rating
- 4.2/5
- Reviews
- 13
- Age
- 1y ago

Funn RSX Mountain Bike Direct Mount Bike Stem with 31.8mm Bar Clamp 2 Pieces Lightweight Split Design for Dual Crown Forks Adjustable Extension 45-50mm with 30mm Rise (Black)
- Price
- $71.92
- Rating
- 4.6/5
- Reviews
- 250
- Age
- 8y ago
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)
- Price
- $30.84
- Rating
- 4.9/5
- Reviews
- 84
- Age
- 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)
- Price
- $31.31
- Rating
- 4.9/5
- Reviews
- 84
- Age
- 11mo ago

HARFINGTON 31.8mm Bike Stem 35mm Aluminum Alloy Bicycle Handlebar Stem for Mountain Road Bike BMX MTB Cycling Silver
- Price
- $21.40
- Rating
- 4.2/5
- Reviews
- 13
- Age
- 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)
- Price
- $7.76
- Rating
- 4.3/5
- Reviews
- 1,518
- Age
- 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)
- Price
- $8.24
- Rating
- 4.6/5
- Reviews
- 204
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 48% of clicks. Leaders hold, but buyers still shop past them.
Brands
19 rising
Sellers
36
Est. top-5 brand share
71%
Top 20: 100%
Est. top-5 click share
48%
Top 20: 84%
Open market
24%
- WAKE26%
- CYSKY16%
- FOMTOR12%
- MEGHNA9%
- FIFTY-FIFTY8%
- Azarxis5%
Demand
Bike Stem search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.7×
Search terms
Top Bike Stem search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- bike stem109K/yr
- mtb stem80K/yr
- 31.8 stem34K/yr
- mountain bike stem32K/yr
- bike stems28K/yr
- bicycle stem22K/yr
- road bike stem22K/yr
- handlebar stem13K/yr
- mtb stem 31.813K/yr
- ebike stem10K/yr
Reviews and returns
What reviews say buyers love and hate about Bike Stem
We read the reviews and the return reasons for every product selling here.
“cap going into bicycle fork head wasn't trying to use old one since it wasn't great quality”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
21 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Bike Stem questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









