---
title: "180mm Disc Brake Rotor — $48K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/180mm-disc-brake-rotor"
last_updated: "2026-08-09T01:03:02.753Z"
locale: en
meta:
description: "Niche score 52/100 · $48K/yr market · 83K searches/yr · $19.12 avg price. A small market ($48K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $48K/yr market · 83K searches/yr · $19.12 avg price. A small market ($48K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "180mm Disc Brake Rotor — $48K/yr Amazon US Niche (2026) - Flapen"
---
# **180mm disc brake rotor**
**Worth a look**
Shows a sweet-spot price point ($19.12 avg), but a small market ($48K/yr) keeps it on the watch list.
Market size 12Growth 55Conversion 38Competition 84Returns 32Price range 82Avg price 85Brand share 61Review moat 79Quality gap 38
**Avg price**
**Great****$19.12**
avg listing price — sweet spot $15–$100
**Competition**
**Great****31%**
top-5 click share — an open shelf
**Price range**
**Great****$6.16–$62.71**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****416.46**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+28.3%**
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****4.5★**
avg incumbent rating — lower means beatable quality
**Returns**
**Okay****4.4%**
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 ~~](https://flapen.com/research/methodology)
## **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.
2K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/180mm-disc-brake-rotor/trend)
## **Top 180mm disc brake rotor search terms**
- **180mm disc brake rotor**31K/yr+24.1%3.7% conv. - **203mm disc brake rotor**14K/yr+19.0%1.5% conv. - **180mm rotor**9K/yr+29.7%3.4% conv. - **180 mm disc brake rotor**8K/yr+17.8%3.6% conv. - **140mm disc brake rotor**5K/yr+127.2%3.4% conv. - **203mm rotor**7K/yr+7.5%1.6% conv. - **203 mm disc brake rotor**6K/yr+43.9%1.8% conv. - **180mm brake rotor**4K/yr+35.4%1.5% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/180mm-disc-brake-rotor/search-terms)
## **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.
0%2%$9594%$2K6%$3K8%$4K1101001K10K 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**Teyssor 140mm 160mm 180mm 203mm Bike Disc Brake Rotor with 6 Bolts Fit for Road Bike Mountain Bike BMX MTB**Teyssor**$9.81**4.6★2,111 rev](https://www.amazon.com/dp/B0872XTF15) [2**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**$6.16**4.6★98 rev](https://www.amazon.com/dp/B0FB41TCSM) [3**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**$10.00**4.7★478 rev](https://www.amazon.com/dp/B08F1HBDHN) [4**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**$9.12**4.6★98 rev](https://www.amazon.com/dp/B0FM41SXLT) [5**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**$7.94**4.7★478 rev](https://www.amazon.com/dp/B08F1FXRKF)
**~~View all top sellers →~~**
### **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**$13.68**14 rev5mo ago](https://www.amazon.com/dp/B0GLP93G1H) [**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**$23.36**3 rev9mo ago](https://www.amazon.com/dp/B0FSNRRY3C) [**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**$6.16**98 rev1y ago](https://www.amazon.com/dp/B0FB41TCSM) [**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**$9.12**98 rev1y ago](https://www.amazon.com/dp/B0FM41SXLT) [**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**$17.85**61 rev1y ago](https://www.amazon.com/dp/B0DY77Y1MW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$13.68**3.6★**▲ 196%**](https://www.amazon.com/dp/B0GLP93G1H) [**Shimano SM-RT66 SLX 6-Bolt Disc Brake Rotor (203-mm)**SHIMANO**$46.91**4.6★**▲ 174%**](https://www.amazon.com/dp/B007Q4O45U) [**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**$8.99**4.7★**▲ 156%**](https://www.amazon.com/dp/B0C5M5PS6H) [**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**$23.36**5.0★**▲ 137%**](https://www.amazon.com/dp/B0FSNRRY3C) [**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**$13.84**4.4★**▲ 90%**](https://www.amazon.com/dp/B08GFMQTKS)
**~~View all trending →~~**
## **What buyers say about 180mm disc brake rotor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**23%
*“Great value”*
**Quality-Overall**15%
*“Good Quality”*
**Assembly/Installation**9%
*“Easily installed”*
**Size-Overall**9%
*“Fits nicely”*
**Advertised Vs Actual Product**6%
*“Works as expected”*
**Efficiency**5%
*“Works great”*
**Functionality-Overall**4%
*“functional”*
**Friction**4%
*“Great braking”*
**Design-Overall**3%
*“Looks great”*
**Thickness**2%
*“is same thickness as the original”*
### **What buyers complain about **
**Thickness**21%
*“Thickness of disc”*
**Noise Level**20%
*“Absolutely deafening squeal”*
**Quality-Overall**11%
*“Performance is poor”*
**Weight Heavy**6%
*“it was slightly heavier than the steel disc it replaced”*
**Product Condition**6%
*“They're great other than getting sent one slightly used one with no hardware lol I just used my factory hardware”*
**Value For Money**5%
*“Not such a great deal if you have to spend an extra $10 for the bolts”*
**Size-Overall**3%
*“Wrong size”*
**Rusts/Corrodes**2%
*“Came used didnt come with the brake pads or bolts little rust”*
**Design-Overall**2%
*“Badly machined”*
**Functionality-Overall**2%
*“it shudders when stopping”*
### **Top return reasons **
**Size-Overall**65%
**Compatibility-Overall**6%
**Thickness**4%
**Functionality-Overall**3%
**Advertised Vs Actual Product**3%
**Defective Material/Parts**3%
**Value For Money**2%
**Product Condition**2%
**Mounting**2%
**Mechanism Issues**2%
## **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.
## **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)