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.

bottom bracket

Skip it

Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.

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

Great419.22

avg incumbent reviews — the moat a new listing must climb

Competition

Good44%

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

Growth

Okay+19.9%

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

Conversion

Okay3.0%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Returns

Okay4.7%

return rate — above 5% kills the launch gate

Market size

Bad$68K

$68K/yr · 116K searches

Brand share

Bad97%

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

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

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

44%

Top 20: 87%

Open market

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.

Open Trend

Top bottom bracket search terms

bottom bracket36K/yr +26.2%1.1% conv.
shimano bottom bracket14K/yr +23.5%3.0% conv.
square taper bottom bracket12K/yr +23.6%1.4% conv.
sram dub bottom bracket9K/yr +6.6%7.7% conv.
68mm bottom bracket7K/yr +41.2%1.2% conv.
bike bottom bracket6K/yr +25.0%0.9% conv.
bike bottom brackets6K/yr -23.8%0.6% conv.
bicycle bottom bracket4K/yr +32.8%0.8% conv.
dub bottom bracket5K/yr +6.1%6.3% conv.
mtb bottom bracket4K/yr +17.9%1.6% conv.

All 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.

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

SRAM DUB English Bottom Bracket - English/BSA 68/73mm Black

SRAM$37.884.7★935 rev

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$12.334.6★264 rev

Shimano Square Type Bicycle Bottom Bracket - BSA 73Mm Spindle: 122.5Mm (Ll123) - Ebbun300C23X

SHIMANO$17.364.7★183 rev

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$12.684.6★264 rev

SHIMANO SM-BBR60 Ultegra/FC-CX70 / 105 Hollowtech II Bottom Bracket

SHIMANO$26.244.8★2,486 rev

Newest

by launch date

BUCKLOS Threaded/PressFit Bottom Bracket BSA 68-73mm/86-92mm -Ceramic/Steel Bearings(Black/Red)

BUCKLOS$13.6424 rev

1y ago

BUCKLOS Threaded/PressFit Bottom Bracket BSA 68-73mm/86-92mm -Ceramic/Steel Bearings(Black/Red)

BUCKLOS$12.9812 rev

1y ago

BUCKLOS Threaded/PressFit Bottom Bracket BSA 68-73mm/86-92mm -Ceramic/Steel Bearings(Black/Red)

BUCKLOS$13.8310 rev

1y ago

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$13.18264 rev

2y ago

BUCKLOS Threaded/PressFit/Dub Bottom Bracket BSA 68-73mm/86-92mm -Ceramic/Steel Bearings(Black/Red)

BUCKLOS$21.459 rev

2y ago

What buyers say about bottom bracket

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

What buyers love

Quality-Overall25%

“Good quality, easy to install”

Size-Overall24%

“Sizing is accurate”

Value For Money14%

“BEST PRICE”

Soft Feel6%

“its quite smooth”

Advertised Vs Actual Product5%

“As advertised and for the price it does the job well”

Strength4%

“Strong and smooth as butter”

Assembly/Installation4%

“Easy to install”

Durability3%

“the durability of this unit”

Measurement/Reading Accuracy2%

“Great if you get the measurements correct”

Mounting2%

“Good Bottom Bracket”

What buyers complain about

Durability13%

“Didn't even last one ride before wearing out”

Assembly/Installation13%

“But I kind of expected the two bolts for the actual installation of these crank arms to be included with the bottom bracket”

Material Quality8%

“definitely made out of cheap material”

Inflation/Deflation7%

“Blown away”

Quality-Overall7%

“Cheaply made”

Rusts/Corrodes7%

“This is the one Im replacing somehow a sealed bearing completely rusted out”

Functionality-Overall3%

“Didn't work”

Size-Overall3%

“Wrong size”

Instructions/User Manual/Troubleshooting3%

“Feels extremely cheap with no instructions”

Noise Level3%

“15 miles into my first 20 mile ride with these bottom brackets and they started squeaking and developing play”

Top return reasons

Size-Overall64%

Advertised Vs Actual Product9%

Defective Material/Parts7%

Product Condition5%

Value For Money4%

Compatibility-Overall2%

Functionality-Overall2%

Assembly/Installation2%

Noise Level1%

Mounting1%

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.

bottom bracket

bottom bracket market data

Competition & brand share

Demand

Top bottom bracket search terms

Top bottom bracket products on Amazon

Top sellers

Newest

Trending

What buyers say about bottom bracket

What buyers love

What buyers complain about

Top return reasons

Common questions

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