---
title: "Trend — 27.5 mountain bike tube - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/27-5-mountain-bike-tube/trend"
last_updated: "2026-08-06T22:19:03.608Z"
locale: en
meta:
  description: "Niche score 60/100 · $208K/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 60/100 · $208K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — 27.5 mountain bike tube - Flapen"
---

# **27.5 mountain bike tube**

**Worth a look**

Shows searches that convert (13.4% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 40Growth 71Conversion 96Competition 47Returns 81Price range 37Avg price 66Brand share 67Review moat 23Quality gap 53

**Conversion**

**Incredible****13.4%**

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

**Returns**

**Great****1.7%**

return rate — above 5% kills the launch gate

**Growth**

**Good****+54.2%**

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

**Brand share**

**Good****65%**

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

**Avg price**

**Good****$13.89**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Competition**

**Okay****57%**

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

**Market size**

**Okay****$208K**

$208K/yr · 112K searches

**Price range**

**Okay****$6.56–$19.99**

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

**Review moat**

**Bad****7,214.23**

avg incumbent reviews — the moat a new listing must climb

**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")

## Trend