180mm disc brake rotor
Worth a lookShows a sweet-spot price point ($19.12 avg), but a small market ($48K/yr) keeps it on the watch list.
Avg price
Great$19.12avg listing price — sweet spot $15–$100
Competition
Great31%top-5 click share — an open shelf
Price range
Great$6.16–$62.71cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great416.46avg incumbent reviews — the moat a new listing must climb
Brand share
Good68%top-5 brand share — brands hold most of the demand
Growth
Good+28.3%90-day search growth — must beat 0% to launch
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay4.4%return rate — above 5% kills the launch gate
Market size
Bad$48K$48K/yr · 83K searches
According to Flapen's Amazon United States niche tracking, 180mm disc brake rotor is a $48K/yr Amazon United States market (83K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 52/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
180mm disc brake rotor market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $57K–$76K
- units × avg price
- Conversion rate
- 3.0%
- Avg BSR
- #33
- Page quality
- 0%
- Prime
- 99%
- Sponsored
- 86%
- Out of stock
- 1.6%
- Avg brand age
- 42 months
- Avg seller age
- 131 days
Competition & brand share
Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.Brands
28 rising
Sellers
112
Top-5 brand share
68%
Top 20: 95%
Top-5 click share
31%
Top 20: 63%
Open market
28%
- BUCKLOS31%
- Teyssor15%
- YHLOJIX13%
- Magura6%
- D Dymoece4%
- YBEKI3%
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +28.3% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 1.8×
Top 180mm disc brake rotor search terms
- 180mm disc brake rotor31K/yr
- 203mm disc brake rotor14K/yr
- 180mm rotor9K/yr
- 180 mm disc brake rotor8K/yr
- 140mm disc brake rotor5K/yr
- 203mm rotor7K/yr
- 203 mm disc brake rotor6K/yr
- 180mm brake rotor4K/yr
Top 180mm disc 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Teyssor 140mm 160mm 180mm 203mm Bike Disc Brake Rotor with 6 Bolts Fit for Road Bike Mountain Bike BMX MTB
Teyssor$9.814.6★2,111 rev
180mm Disc Brake Rotor With 6 Bolts & T25 Torx Tool Stainless Steel Bike Rotor for Mountain Bike/Road Bike/MTB/BMX Fits 44mm Threaded Hub (Anti-Rust & Heat-Resistant) (180mm*1pcs)
YHLOJIX$6.164.6★98 rev
BUCKLOS 140mm 160mm 180mm 203mm MTB Disc Brake Rotor with 6 Bolts Bicycle Brakes Stainless Steel Rotors M5 Screws Opposite Hole Distance 44mm fit Mountain Road Bikes MTB BMX
BUCKLOS$10.004.7★478 rev
2PCS 180mm Disc Brake Rotor With 6 Bolts & T25 Torx Tool Stainless Steel Bike Rotor for Mountain Bike/Road Bike/MTB/BMX Fits 44mm Threaded Hub (Anti-Rust & Heat-Resistant) (180mm*2pcs)
YHLOJIX$9.124.6★98 rev
BUCKLOS 140mm 160mm 180mm 203mm MTB Disc Brake Rotor with 6 Bolts Bicycle Brakes Stainless Steel Rotors M5 Screws Opposite Hole Distance 44mm fit Mountain Road Bikes MTB BMX
BUCKLOS$7.944.7★478 rev
Newest
by launch date
CYCLAMI 180mm Floating Bike Disc Brake Rotor with 6 Bolts Carbon Fiber Bicycle Disc Brakes Rotors for Road Bike/Mountain Bike MTB/Ebike/BMX
CYCLAMI$13.6814 rev
203MM Rear Brake Rotors Disc Compatible with Light Bee/Surron/Sur-Ron/Sur Ron X/Sur Ron S/X160/X260 Stainless Steel Brake Rotors for Motorcycle/Dirt Bike
Generic$23.363 rev
180mm Disc Brake Rotor With 6 Bolts & T25 Torx Tool Stainless Steel Bike Rotor for Mountain Bike/Road Bike/MTB/BMX Fits 44mm Threaded Hub (Anti-Rust & Heat-Resistant) (180mm*1pcs)
YHLOJIX$6.1698 rev
2PCS 180mm Disc Brake Rotor With 6 Bolts & T25 Torx Tool Stainless Steel Bike Rotor for Mountain Bike/Road Bike/MTB/BMX Fits 44mm Threaded Hub (Anti-Rust & Heat-Resistant) (180mm*2pcs)
YHLOJIX$9.1298 rev
YBEKI 2-Pack Bike Disc Brake Rotor (160/180/203mm) CNC-Machined / 12 Bolts - 6-Hole Lightweight Stainless Steel Rotors with Heat Dissipation Holes for MTB/Road/BMX Bikes (Black)
YBEKI$17.8561 rev
Trending
90-day click momentumCYCLAMI 180mm Floating Bike Disc Brake Rotor with 6 Bolts Carbon Fiber Bicycle Disc Brakes Rotors for Road Bike/Mountain Bike MTB/Ebike/BMX
CYCLAMI$13.683.6★
Shimano SM-RT66 SLX 6-Bolt Disc Brake Rotor (203-mm)
SHIMANO$46.914.6★
BUCKLOS 140mm 160mm 180mm 203mm MTB Disc Brake Rotor with 6 Bolts Bicycle Brakes Stainless Steel Rotors M5 Screws Opposite Hole Distance 44mm fit Mountain Road Bikes MTB BMX
BUCKLOS$8.994.7★
203MM Rear Brake Rotors Disc Compatible with Light Bee/Surron/Sur-Ron/Sur Ron X/Sur Ron S/X160/X260 Stainless Steel Brake Rotors for Motorcycle/Dirt Bike
Generic$23.365.0★
BUCKLOS 160mm 180mm 203mm Floating Disc Brake Rotor Stainless Steel MTB Brakes Rotors with 6PC Bolts Ultra-light Floating Disc Rotor fit Mountain Bike Road Bikes BMXBlackRed
BUCKLOS$13.844.4★
What buyers say about 180mm disc brake rotor
What buyers praise and complain about, mined from review topics.What buyers love
“Great value”
“Good Quality”
“Easily installed”
“Fits nicely”
“Works as expected”
“Works great”
“functional”
“Great braking”
“Looks great”
“is same thickness as the original”
What buyers complain about
“Thickness of disc”
“Absolutely deafening squeal”
“Performance is poor”
“it was slightly heavier than the steel disc it replaced”
“They're great other than getting sent one slightly used one with no hardware lol I just used my factory hardware”
“Not such a great deal if you have to spend an extra $10 for the bolts”
“Wrong size”
“Came used didnt come with the brake pads or bolts little rust”
“Badly machined”
“it shudders when stopping”
Top return reasons
Common questions
- Is 180mm disc brake rotor profitable to sell on Amazon United States?
- The niche generates $48K/yr across 74 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is +28.3%. Flapen's verdict: Worth a look (52/100).
- How competitive is the 180mm disc brake rotor niche?
- 28 brands and 112 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in 180mm disc brake rotor?
- Top complaints mined from reviews: Thickness, Noise Level, Quality-Overall. The return rate is 4.4%.
- When does demand for 180mm disc brake rotor peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 1.8× the quietest.
- What does it cost to enter the 180mm disc brake rotor niche?
- Listings span $6.16–$62.71; the average listing price is $19.12 (sweet spot $15–$100). The average incumbent carries 416 reviews — the moat a new listing must climb.