---
title: "Reviews — 4x100 wheel spacers - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/4x100-wheel-spacers/reviews"
last_updated: "2026-08-09T15:22:17.219Z"
locale: en
meta:
  description: "Niche score 46/100 · $42K/yr market · 33K searches/yr · $45.14 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · $42K/yr market · 33K searches/yr · $45.14 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — 4x100 wheel spacers - Flapen"
---

# **4x100 wheel spacers**

**Skip it**

A small market ($42K/yr) — this niche doesn't clear our bar today.

Market size 10Growth 25Conversion 35Competition 65Returns 14Price range 92Avg price 95Brand share 53Review moat 93Quality gap 65

**Avg price**

**Incredible****$45.14**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****146.92**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Great****$12.89–$80.27**

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

**Competition**

**Good****46%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****73%**

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

**Conversion**

**Okay****2.8%**

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

**Growth**

**Bad****-0.2%**

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

**Returns**

**Bad****8.0%**

return rate — above 5% kills the launch gate

**Market size**

**Bad****$42K**

$42K/yr · 33K searches

**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

## Reviews