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50

rear brake rotor

Worth a look

Shows a fragmented shelf (top 5 take 17% of clicks), but prices mostly outside the sweet spot ($4.87–$548.46) keeps it on the watch list.

Market size 51Growth 36Conversion 22Competition 96Returns 24Price range 16Avg price 79Brand share 59Review moat 52Quality gap 47

Competition

Incredible17%

top-5 click share — an open shelf

Avg price

Great$88.16

avg listing price — sweet spot $15–$100

Brand share

Good70%

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

Review moat

Good1,436.54

avg incumbent reviews — the moat a new listing must climb

Market size

Good$299K

$299K/yr · 190K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+8.8%

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

Returns

Bad5.4%

return rate — above 5% kills the launch gate

Conversion

Bad1.8%

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

Price range

Bad$4.87–$548.46

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

According to Flapen's Amazon United States niche tracking, rear brake rotor is a $299K/yr Amazon United States market (190K searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

rear brake rotor market data

Units sold / yr
4K–5K
avg 0–100/product
Revenue / yr
$353K–$441K
units × avg price
Conversion rate
1.8%
Avg BSR
#485
Page quality
0%
Prime
91%
Sponsored
70%
Out of stock
0.7%
Avg brand age
61 months
Avg seller age
169 days

Competition & brand share

Clicks spread well past the top 5 (17% combined) — an open shelf where new products get seen.

Brands

25 falling

Sellers

125

Top-5 brand share

70%

Top 20: 98%

Top-5 click share

17%

Top 20: 41%

Open market

25%

  • TRQ19%
  • Bendix19%
  • ACDelco17%
  • PowerStop9%
  • Bosch6%
  • A-Premium5%

Demand

Weekly Amazon search volume, last 40 weeks — +8.8% search growth over the last 90 days.
5K4KOct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26

Top rear brake rotor search terms

  • rear brake rotor59K/yr
  • trq brake pads and rotors kit19K/yr
  • disco de frenos traseros13K/yr
  • back rotors14K/yr
  • rotor front14K/yr
  • disc brake11K/yr
  • detroit axel9K/yr
  • honda oem brake pads and rotors14K/yr
  • rotores de discos de frenos para auto10K/yr
  • front brakes and rotors kit with calipers7K/yr
All search terms

Top rear brake rotor 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%2%$6K4%$12K6%$18K8%$24K101001K10K100K Reviews — right = deep review moat Market 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.

What buyers say about rear brake rotor

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

What buyers love

Size-Overall23%

“Fit like it should and looks great”

Quality-Overall23%

“excellent hardware”

Value For Money15%

“Good price”

Assembly/Installation10%

“Install was straight forward”

Advertised Vs Actual Product4%

“Works as expected”

Friction2%

“Good brake discs with pads”

Functionality-Overall2%

“works”

Strength2%

“Very sturdy”

Efficiency2%

“Work good and look like performance brakes”

Durability2%

“No break dust”

What buyers complain about

Size-Overall14%

“it was actually too big”

Quality-Overall12%

“Very suspect quality control”

Rusts/Corrodes8%

“Prone to rust”

Noise Level8%

“Absolutely deafening squeal”

Compatibility-Overall6%

“Not for 2009 Honda Accord”

Durability5%

“blew up”

Thickness5%

“Thickness of disc”

Advertised Vs Actual Product4%

“False advertising”

Value For Money4%

“honestly buy cheap buy twice”

Functionality-Overall3%

“Doesn't stop as quickly”

Top return reasons

Size-Overall53%
Compatibility-Overall14%
Defective Material/Parts6%
Advertised Vs Actual Product5%
Value For Money4%
Functionality-Overall3%
Thickness2%
Assembly/Installation2%
Product Condition2%
Mounting2%

Common questions

Is rear brake rotor profitable to sell on Amazon United States?
The niche generates $299K/yr across 128 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is +8.8%. Flapen's verdict: Worth a look (50/100).
How competitive is the rear brake rotor niche?
25 brands and 125 sellers compete. The top 5 products take 17% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in rear brake rotor?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Rusts/Corrodes. The return rate is 5.4% — above our launch gate.
What does it cost to enter the rear brake rotor niche?
Listings span $4.87–$548.46; the average listing price is $88.16 (sweet spot $15–$100). The average incumbent carries 1,437 reviews — the moat a new listing must climb.