---
title: "Bottom Bracket — $68K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/bottom-bracket"
last_updated: "2026-08-11T08:35:40.597Z"
locale: en
meta:
description: "Niche score 43/100 · $68K/yr market · 116K searches/yr · $19.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $68K/yr market · 116K searches/yr · $19.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Bottom Bracket — $68K/yr Amazon US Niche (2026) - Flapen"
---
# **bottom bracket**
**Skip it**
Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size 17Growth 50Conversion 38Competition 68Returns 28Price range 83Avg price 86Brand share 7Review moat 79Quality gap 30
**Avg price**
**Great****$19.56**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.00–$42.20**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****419.22**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****44%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+19.9%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****3.0%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Returns**
**Okay****4.7%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$68K**
$68K/yr · 116K searches
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, bottom bracket is a $68K/yr Amazon United States market (116K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 43/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bottom bracket market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$49K–$59K**
- units × avg price
- **Conversion rate**
- **3.0%**
- **Avg BSR**
- **#21**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **2.8%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▼falling
**Sellers**
**67**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**44%**
Top 20: 87%
**Open market**
**2%**
- SHIMANO41% - BUCKLOS34% - SRAM17% - Hoypeyfiy4% - Andeshunk1% - Thinvik1% - Open — no brand owns it (3 brands, 2%)
## **Demand**
Weekly Amazon search volume, last 42 weeks — +19.9% search growth over the last 90 days.
3K2KSpike '26Oct '25Nov '25Jan '26Mar '26Apr '26Jun '26
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/bottom-bracket/trend)
## **Top bottom bracket search terms**
- **bottom bracket**36K/yr+26.2%1.1% conv. - **shimano bottom bracket**14K/yr+23.5%3.0% conv. - **square taper bottom bracket**12K/yr+23.6%1.4% conv. - **sram dub bottom bracket**9K/yr+6.6%7.7% conv. - **68mm bottom bracket**7K/yr+41.2%1.2% conv. - **bike bottom bracket**6K/yr+25.0%0.9% conv. - **bike bottom brackets**6K/yr-23.8%0.6% conv. - **bicycle bottom bracket**4K/yr+32.8%0.8% conv. - **dub bottom bracket**5K/yr+6.1%6.3% conv. - **mtb bottom bracket**4K/yr+17.9%1.6% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/bottom-bracket/search-terms)
## **Top bottom bracket 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.
0%3%$2K6%$4K9%$6K12%$8K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**SRAM DUB English Bottom Bracket - English/BSA 68/73mm Black**SRAM**$37.88**4.7★935 rev](https://www.amazon.com/dp/B0797ZHCMP) [2**BUCKLOS Bike Square Taper Bottom Bracket - 68/80/90/100/110/120x110.5 113 116 118 122.5 127 140 152 156 166 174mm Bicycle BSA Brackets for Mountain/MTB/Road/Fat Bike/Ebike**BUCKLOS**$12.33**4.6★264 rev](https://www.amazon.com/dp/B0D143SDGQ) [3**Shimano Square Type Bicycle Bottom Bracket - BSA 73Mm Spindle: 122.5Mm (Ll123) - Ebbun300C23X**SHIMANO**$17.36**4.7★183 rev](https://www.amazon.com/dp/B08C739V2N) [4**BUCKLOS Bike Square Taper Bottom Bracket - 68/80/90/100/110/120x110.5 113 116 118 122.5 127 140 152 156 166 174mm Bicycle BSA Brackets for Mountain/MTB/Road/Fat Bike/Ebike**BUCKLOS**$12.68**4.6★264 rev](https://www.amazon.com/dp/B0D13RG9R4) [5**SHIMANO SM-BBR60 Ultegra/FC-CX70 / 105 Hollowtech II Bottom Bracket**SHIMANO**$26.24**4.8★2,486 rev](https://www.amazon.com/dp/B00CABINCY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BUCKLOS Threaded/PressFit Bottom Bracket BSA 68-73mm/86-92mm -Ceramic/Steel Bearings(Black/Red)**BUCKLOS**$13.64**24 rev1y ago](https://www.amazon.com/dp/B0DJ75TJB3) [**BUCKLOS Threaded/PressFit Bottom Bracket BSA 68-73mm/86-92mm -Ceramic/Steel Bearings(Black/Red)**BUCKLOS**$12.98**12 rev1y ago](https://www.amazon.com/dp/B0DJ74FVR6) [**BUCKLOS Threaded/PressFit Bottom Bracket BSA 68-73mm/86-92mm -Ceramic/Steel Bearings(Black/Red)**BUCKLOS**$13.83**10 rev1y ago](https://www.amazon.com/dp/B0DJ76LWFN) [**BUCKLOS Bike Square Taper Bottom Bracket - 68/80/90/100/110/120x110.5 113 116 118 122.5 127 140 152 156 166 174mm Bicycle BSA Brackets for Mountain/MTB/Road/Fat Bike/Ebike**BUCKLOS**$13.18**264 rev2y ago](https://www.amazon.com/dp/B0D9H4J915) [**BUCKLOS Threaded/PressFit/Dub Bottom Bracket BSA 68-73mm/86-92mm -Ceramic/Steel Bearings(Black/Red)**BUCKLOS**$21.45**9 rev2y ago](https://www.amazon.com/dp/B0D62YLFZC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Shimano Square Type Bicycle Bottom Bracket - BSA 73Mm Spindle: 122.5Mm (Ll123) - Ebbun300C23X**SHIMANO**$17.36**4.7★**▲ 114%**](https://www.amazon.com/dp/B08C739V2N) [**BUCKLOS Threaded/PressFit Bottom Bracket BSA 68-73mm/86-92mm -Ceramic/Steel Bearings(Black/Red)**BUCKLOS**$13.83**4.9★**▲ 102%**](https://www.amazon.com/dp/B0DJ76LWFN) [**BUCKLOS Bike Square Taper Bottom Bracket - 68/80/90/100/110/120x110.5 113 116 118 122.5 127 140 152 156 166 174mm Bicycle BSA Brackets for Mountain/MTB/Road/Fat Bike/Ebike**BUCKLOS**$12.33**4.6★**▲ 56%**](https://www.amazon.com/dp/B0D143SDGQ) [**BUCKLOS Bike Square Taper Bottom Bracket - 68/80/90/100/110/120x110.5 113 116 118 122.5 127 140 152 156 166 174mm Bicycle BSA Brackets for Mountain/MTB/Road/Fat Bike/Ebike**BUCKLOS**$12.68**4.6★**▲ 51%**](https://www.amazon.com/dp/B0D13RG9R4) [**SRAM DUB English Bottom Bracket - English/BSA 73mm MTB SuperBoost + Black**SRAM**$42.20**4.7★**▲ 47%**](https://www.amazon.com/dp/B07PW9ZX3Q)
**~~View all trending →~~**
## **What buyers say about bottom bracket**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“Good quality, easy to install”*
**Size-Overall**24%
*“Sizing is accurate”*
**Value For Money**14%
*“BEST PRICE”*
**Soft Feel**6%
*“its quite smooth”*
**Advertised Vs Actual Product**5%
*“As advertised and for the price it does the job well”*
**Strength**4%
*“Strong and smooth as butter”*
**Assembly/Installation**4%
*“Easy to install”*
**Durability**3%
*“the durability of this unit”*
**Measurement/Reading Accuracy**2%
*“Great if you get the measurements correct”*
**Mounting**2%
*“Good Bottom Bracket”*
### **What buyers complain about **
**Durability**13%
*“Didn't even last one ride before wearing out”*
**Assembly/Installation**13%
*“But I kind of expected the two bolts for the actual installation of these crank arms to be included with the bottom bracket”*
**Material Quality**8%
*“definitely made out of cheap material”*
**Inflation/Deflation**7%
*“Blown away”*
**Quality-Overall**7%
*“Cheaply made”*
**Rusts/Corrodes**7%
*“This is the one Im replacing somehow a sealed bearing completely rusted out”*
**Functionality-Overall**3%
*“Didn't work”*
**Size-Overall**3%
*“Wrong size”*
**Instructions/User Manual/Troubleshooting**3%
*“Feels extremely cheap with no instructions”*
**Noise Level**3%
*“15 miles into my first 20 mile ride with these bottom brackets and they started squeaking and developing play”*
### **Top return reasons **
**Size-Overall**64%
**Advertised Vs Actual Product**9%
**Defective Material/Parts**7%
**Product Condition**5%
**Value For Money**4%
**Compatibility-Overall**2%
**Functionality-Overall**2%
**Assembly/Installation**2%
**Noise Level**1%
**Mounting**1%
## **Common questions**
- **Is bottom bracket profitable to sell on Amazon United States?**
- The niche generates $68K/yr across 36 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +19.9%. Flapen's verdict: Skip it (43/100).
- **How competitive is the bottom bracket niche?**
- 9 brands and 67 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in bottom bracket?**
- Top complaints mined from reviews: Durability, Assembly/Installation, Material Quality. The return rate is 4.7%.
- **What does it cost to enter the bottom bracket niche?**
- Listings span $10.00–$42.20; the average listing price is $19.56 (sweet spot $15–$100). The average incumbent carries 419 reviews — the moat a new listing must climb.
## **Related niches in Sports & Outdoors**
- 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)