---
title: "Headset Spacers — $5K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/sports-outdoors/headset-spacers"
last_updated: "2026-08-12T07:41:49.803Z"
locale: en
meta:
description: "Amazon product research for headset spacers: $5K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for headset spacers: $5K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Headset Spacers — $5K/mo Amazon US Product Research (2026)"
---
# **Headset Spacers**
**Skip it**
A small market ($58K/yr) — this niche doesn't clear our bar today.
Market size 14Growth 58Conversion 85Competition 20Returns 72Price range 34Avg price 23Brand share 44Review moat 73Quality gap 21
**Conversion**
**Great****9.5%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****584.56**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Growth**
**Good****+32.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****$4.71–$20.37**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Bad****$8.32**
avg listing price — sweet spot $15–$100
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****76%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$58K**
$58K/yr · 73K searches
## **Is headset spacers profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, headset spacers is a $58K/yr Amazon United States market (73K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 43/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **headset spacers market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$50K–$67K**
- units × avg price
- **Conversion rate**
- **9.5%**
- **Avg BSR**
- **#23**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **1.7%**
- **Avg brand age**
- **46 months**
- **Avg seller age**
- **203 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **▼falling
**Sellers**
**18**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**76%**
Top 20: 100%
**Open market**
**14%**
- Sumind27% - Kbrotech17% - Bruislard13% - DSCMLIS13% - PLATT8% - GooDay8% - Open — no brand owns it (6 brands, 14%)
## **headset spacers demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +32.9% search growth over the last 90 days.
2K1KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/headset-spacers/trend)
## **Top headset spacers search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **headset spacers**20K/yr+24.2%6.9% conv. - **bike headset spacers**12K/yr+19.0%5.2% conv. - **stem spacers**9K/yr+54.4%8.0% conv. - **bike stem spacers**8K/yr+56.3%9.3% conv. - **headset spacers 1 1/8**8K/yr+38.1%9.4% conv. - **headset spacer**5K/yr+41.5%5.4% conv. - **mtb stem spacers**5K/yr+16.2%8.2% conv. - **mtb headset spacers**4K/yr+48.8%8.0% conv. - **bike spacers**3K/yr+20.8%8.2% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/headset-spacers/search-terms)
## **Top headset spacers products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$6K20%$12K30%$17K40%$23K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Sumind 11 Pieces Bike Carbon Fiber Headset Spacer Bicycle 1-1/8 Inch 20 15 10 5 3 2 1 mm 7 Size**Sumind**$9.45**4.7★4,272 rev](https://www.amazon.com/dp/B076QBGXPF) [2**Kbrotech Bicycle Headset Spacer Aluminium Alloy Bike Stem Headset Spacers Fork Washer Fit for 1 1/8-Inch Stem 2mm 5mm 10mm (8pieces) (Aluminum Alloy)**Kbrotech**$6.51**4.8★1,313 rev](https://www.amazon.com/dp/B07DLYLCCC) [3**Bruislard 8 PCS Bicycle Headset Spacer 4 Sizes Aluminium Alloy Bike Handlebar Stem Spacers Threadless Fork Washer Fit for 1 1/8-Inch Stem 2mm 3mm 5mm 10mm**Bruislard**$6.44**4.7★76 rev](https://www.amazon.com/dp/B0F8459R72) [4**DSCMLIS 11PCS Bike Carbon Fiber Headset Spacers Matte Finish Fits 1-1/8 Inch Stem for MTB Road Bicycle Handlebar Stems (15/10/5/3/2/1mm) 6 Sizes**DSCMLIS**$6.01**4.6★88 rev](https://www.amazon.com/dp/B0FPQLL6NB) [5**12 PCS Bicycle Headset Spacer Bike Handlebar Stem Spacers Threadless Aluminum Alloy Headset Stem Spacer Set Fit 1 1/8-Inch Stem For MTB BMX Mountain Road Bikes Cycling 2MM 3MM 5MM 10MM(Black)**GooDay**$9.15**4.7★1,540 rev](https://www.amazon.com/dp/B07X91NZCK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Elegaperma 8pcs Headset Spacers Stem Headset Spacers 1 1/8 Aluminum Alloy Bike Headsets Spacers for MTB BMX Road Bikes 2mm 3mm 5mm 10mm (Black)**Elegaperma**$6.33**3 rev6mo ago](https://www.amazon.com/dp/B0GDGXTNYT) [**Josojoou 12 PCS Bicycle Headset Spacer Aluminum Alloy Headset Spacers Four Sizes Bike Stem Spacers High Strength Free Combination Suitable for Mountain Bikes Road Bike (2mm 3mm 5mm 10mm)**Josojoou**$6.36**12 rev10mo ago](https://www.amazon.com/dp/B0FRDZ9GSK) [**DSCMLIS 11PCS Bike Carbon Fiber Headset Spacers Matte Finish Fits 1-1/8 Inch Stem for MTB Road Bicycle Handlebar Stems (15/10/5/3/2/1mm) 6 Sizes**DSCMLIS**$6.01**88 rev10mo ago](https://www.amazon.com/dp/B0FPQLL6NB) [**Mihoutal 12 PCS Carbon Fiber Bike Headset Spacers Bike Stem Spacers 1 1/8 Inch 6 Sizes (1/2/3/5/10/15mm) High Strength Ultra Lightweight Impact Resistance for MTB Road Cruiser Electric Bike**Mihoutal**$5.97**84 rev11mo ago](https://www.amazon.com/dp/B0FHDP7Y9P) [**Bruislard 8 PCS Bicycle Headset Spacer 4 Sizes Aluminium Alloy Bike Handlebar Stem Spacers Threadless Fork Washer Fit for 1 1/8-Inch Stem 2mm 3mm 5mm 10mm**Bruislard**$6.44**76 rev1y ago](https://www.amazon.com/dp/B0F8459R72)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Elegaperma 8pcs Headset Spacers Stem Headset Spacers 1 1/8 Aluminum Alloy Bike Headsets Spacers for MTB BMX Road Bikes 2mm 3mm 5mm 10mm (Black)**Elegaperma**$6.33**4.6★**▲ 120%**](https://www.amazon.com/dp/B0GDGXTNYT) [**PLATT Bike Headset Spacer Aluminium Alloy Bicycle Stem Headset Spacers Fit 1 1/8-Inch Stem for MTB BMX Road Bikes 2/3/5/10mm(Red 7PCS)**PLATT**$8.00**4.8★**▲ 76%**](https://www.amazon.com/dp/B094MKJGP9) [**Platt Bike Headset Spacer 7PCS Aluminium Alloy MTB Road Bike Stem Headset Spacer Fit 1 1/8-Inch Stem 2/3/5 /10mm (Black) (Black 7PCS+Top Cap)**PLATT**$8.69**4.6★**▲ 53%**](https://www.amazon.com/dp/B085L78348) [**Bruislard 8 PCS Bicycle Headset Spacer 4 Sizes Aluminium Alloy Bike Handlebar Stem Spacers Threadless Fork Washer Fit for 1 1/8-Inch Stem 2mm 3mm 5mm 10mm**Bruislard**$6.44**4.7★**▲ 50%**](https://www.amazon.com/dp/B0F8459R72) [**Josojoou 12 PCS Bicycle Headset Spacer Aluminum Alloy Headset Spacers Four Sizes Bike Stem Spacers High Strength Free Combination Suitable for Mountain Bikes Road Bike (2mm 3mm 5mm 10mm)**Josojoou**$6.36**4.9★**▲ 33%**](https://www.amazon.com/dp/B0FRDZ9GSK)
**~~View all trending →~~**
## **What reviews say buyers love and hate about headset spacers**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**31%
*“Fit great”*
**Quality-Overall**15%
*“Good quality”*
**Value For Money**12%
*“Price was fair”*
**Mounting**8%
*“Good set of carbon spacers”*
**Weight Light**6%
*“These rings are so impossibly light I am convinced they are forged from vacuum and pure hubris”*
**Advertised Vs Actual Product**5%
*“as advertised”*
**Color**3%
*“Liked the colour”*
**Ease Of Use**3%
*“Simple and effective”*
**Material Quality**2%
*“Is thankfully real carbon fibre”*
**Strength**2%
*“Exactly as they should be, strong”*
### **What buyers complain about **
**Advertised Vs Actual Product**22%
*“Not carbon fiber as advertised”*
**Functionality-Overall**22%
*“didn't work”*
**Quality-Overall**11%
*“This is just a big set of cheap”*
**Material Quality**11%
*“They are aluminum, cheap and space”*
**Thickness**11%
*“it might bother you as it is quite thick”*
**Color**11%
*“Bad color”*
### **Top return reasons **
**Size-Overall**59%
**Advertised Vs Actual Product**9%
**Functionality-Overall**7%
**Value For Money**5%
**Quality-Overall**5%
**Defective Material/Parts**4%
**Color**3%
**Material Quality**2%
**Thin**2%
**Carbon Footprint**1%
## **Common headset spacers questions**
- **Is headset spacers profitable to sell on Amazon United States?**
- The niche generates $58K/yr across 16 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +32.9%. Flapen's verdict: Skip it (43/100).
- **How competitive is the headset spacers niche?**
- 12 brands and 18 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in headset spacers?**
- Top complaints mined from reviews: Advertised Vs Actual Product, Functionality-Overall, Quality-Overall. The return rate is 2.1%.
- **When does demand for headset spacers peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the headset spacers niche?**
- Listings span $4.71–$20.37; the average listing price is $8.32 (sweet spot $15–$100). The average incumbent carries 585 reviews — the moat a new listing must climb.
## **Related niches to research next**
Same-category niches scoring near this one — the next ones worth researching.
- 74 [**hydrogen water**](https://flapen.com/research/us/sports-outdoors/hydrogen-water)$6.6M/yr-20.2%**Worth a look**- 74 [**england soccer jersey**](https://flapen.com/research/us/sports-outdoors/england-soccer-jersey)$141K/yr>1,000%**Worth a look**- 74 [**argentina jersey**](https://flapen.com/research/us/sports-outdoors/argentina-jersey)$309K/yr>1,000%**Worth a look**- 74 [**frisbee**](https://flapen.com/research/us/sports-outdoors/frisbee)$1.9M/yr+59.7%**Launch it**- 75 [**trampoline basketball hoop**](https://flapen.com/research/us/sports-outdoors/trampoline-basketball-hoop)$2.3M/yr+49.2%**Launch it**- 75 [**golf glove**](https://flapen.com/research/us/sports-outdoors/golf-glove)$4.1M/yr+62.5%**Launch it**[**All Sports & Outdoors niches **](https://flapen.com/research/us/sports-outdoors)