---
title: "Trend — quarter fenders for semi truck - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/quarter-fenders-for-semi-truck/trend"
last_updated: "2026-08-09T23:21:30.511Z"
locale: en
meta:
  description: "Niche score 59/100 · $475K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 59/100 · $475K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — quarter fenders for semi truck - Flapen"
---

# **quarter fenders for semi truck**

**Worth a look**

Shows a thin review moat (50 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 59Growth 17Conversion 18Competition 84Returns 91Price range 3Avg price 37Brand share 79Review moat 97Quality gap 96

**Review moat**

**Incredible****50.27**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Incredible****3.9★**

avg incumbent rating — lower means beatable quality

**Returns**

**Great****1.2%**

return rate — above 5% kills the launch gate

**Competition**

**Great****31%**

top-5 click share — an open shelf

**Brand share**

**Great****56%**

top-5 brand share — no brand owns this niche

**Market size**

**Good****$475K**

$475K/yr · 126K searches

**Avg price**

**Okay****$257.30**

avg listing price — sweet spot $15–$100

**Conversion**

**Bad****1.5%**

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

**Growth**

**Bad****-16.7%**

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

**Price range**

**Bad****$60.47–$1234.43**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Trend