---
title: "Reviews — 180mm disc brake rotor - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/180mm-disc-brake-rotor/reviews"
last_updated: "2026-08-06T01:24:49.644Z"
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": "Reviews — 180mm disc brake rotor - 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

## Reviews