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27.5 Inner Tube

27.5 Inner Tube shows low returns (0.9%), but prices mostly outside the sweet spot ($5.45–$15.48) keeps it on the watch list.

Flapen Score

53
Worth a look
Market size 32Growth 64Conversion 92Competition 38Returns 96Price range 5Avg price 26Brand share 23Review moat 69Quality gap 67
This niche Category average

Is 27.5 Inner Tube profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, 27.5 Inner Tube is a £148K/yr Amazon United Kingdom market (143K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in May–Jul. Verdict: Worth a look — 53/100.

27.5 Inner Tube: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +42.2% over the last 90 days and 11.3% of searches end in a purchase.

£148K

revenue / yr

Units sold / yr20K
Search volume / yr+42.2%143K
Conversion rate11.3%
Avg price£9.18

Who owns the niche?

The top 5 brands hold 91% of demand, so 9% of the market is open.

9%

open market share

Brands · sellers8 · 32
Top-5 product click share62%
Open market9%
Avg brand age69 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 19 products

Sponsored placement74%
New entrants (1y)0· 0 succeeded
Avg rating4.3★
Avg reviews724

Top 27.5 Inner Tube products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

£0£15K£30K£45K£59K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 falling

Sellers

32

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

5%

  • Baldwins45%
  • Continental25%
  • YunSCM9%
  • WELDTITE6%
  • Slime5%
  • Hutchinson4%
  • Open — no brand owns it (2 brands, 5%)

27.5 Inner Tube demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume143KCVR11.3%Products19Brands8Top 5 Brands91%OOS Rate0.3%Rating4.3★Reviews724Avg BSR#136
4K3KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jul · busiest ÷ quietest = 2.5×

Top 27.5 Inner Tube search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • 27.5 inner tube47K/yr
  • 27.5+ inner tube31K/yr
  • inner tube 27.527K/yr
  • 27.5 x 2.10 inner tube11K/yr
  • bike inner tube 27.5 x 2.108K/yr
  • inner tube 27.5 x 2.105K/yr
  • mountain bike inner tube 27.54K/yr
  • 27.5 inner tube presta valve4K/yr
  • 27.5 x 2.25 inner tube3K/yr
  • 650b inner tube3K/yr

What reviews say buyers love and hate about 27.5 Inner Tube

What buyers mention most, as a share of all reviews.

What buyers love

94% of reviews
Quality-Overall31%

Good quality product delivered promptly

Value For Money31%

Great product great price value for money

Advertised Vs Actual Product14%

Does Exactly what it should

Size-Overall10%

Easy fit

Inflation/Deflation3%

It inflated well

What buyers complain about

84% of reviews
Durability16%

burst after a few days

Quality-Overall14%

Rubbish

Flatness11%

it went flat again a few days later when I got my bike back out

Size-Overall10%

Not fit for purpose

Functionality-Overall8%

Didn't work

27.5 Inner Tube return rate & reasons

Why buyers send it back, as a share of all return requests.

0.9%

Return rate

57%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
51%
2Inflation/Deflation
10%
3Defective Material/Parts
8%
4Leak-Proof
6%
5Functionality-Overall
5%

Common 27.5 Inner Tube questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 27.5 Inner Tube 53/100 on Amazon United Kingdom — Worth a look. The niche generates £148K/yr across 19 tracked products. Search demand moved +42.2% over the last 90 days.
Search demand for 27.5 Inner Tube on Amazon United Kingdom peaks in May–Jul, where the busiest month runs 2.5× the quietest.