---
title: "Reviews — 700x38c bike tire - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/700x38c-bike-tire/reviews"
last_updated: "2026-08-10T21:15:44.914Z"
locale: en
meta:
  description: "Niche score 64/100 · $145K/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 64/100 · $145K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — 700x38c bike tire - Flapen"
---

# **700x38c bike tire**

**Worth a look**

Shows a sweet-spot price point ($44.79 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 31Growth 79Conversion 40Competition 77Returns 63Price range 68Avg price 95Brand share 81Review moat 75Quality gap 55

**Avg price**

**Incredible****$44.79**

avg listing price — sweet spot $15–$100

**Brand share**

**Great****54%**

top-5 brand share — no brand owns this niche

**Growth**

**Great****+69.0%**

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

**Competition**

**Great****38%**

top-5 click share — an open shelf

**Review moat**

**Good****514.87**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Good****$16.53–$139.17**

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

**Returns**

**Good****2.5%**

return rate — above 5% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****3.2%**

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

**Market size**

**Okay****$145K**

$145K/yr · 101K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")

## Reviews