---
title: "Trend — 700x38c bike tube - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/700x38c-bike-tube/trend"
last_updated: "2026-08-10T21:15:45.126Z"
locale: en
meta:
  description: "Niche score 56/100 · $401K/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 56/100 · $401K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — 700x38c bike tube - Flapen"
---

# **700x38c bike tube**

**Worth a look**

Shows searches that convert (13.7% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 55Growth 59Conversion 96Competition 29Returns 69Price range 47Avg price 77Brand share 29Review moat 63Quality gap 55

**Conversion**

**Incredible****13.7%**

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

**Avg price**

**Great****$15.82**

avg listing price — sweet spot $15–$100

**Returns**

**Good****2.2%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****974.06**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Good****+34.3%**

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

**Market size**

**Good****$401K**

$401K/yr · 185K searches

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****$8.67–$20.57**

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

**Competition**

**Okay****68%**

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

**Brand share**

**Okay****88%**

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

## Trend