Is 27.5 inner tube profitable to sell on Amazon United Kingdom?

The niche generates £148K/yr across 19 tracked products. 90-day search growth is +42.2%. Flapen's verdict: Worth a look (53/100).

How competitive is the 27.5 inner tube niche?

8 brands and 32 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 91% of demand.

What do buyers complain about in 27.5 inner tube?

Top complaints mined from reviews: Durability, Quality-Overall, Flatness. The return rate is 0.9%.

When does demand for 27.5 inner tube peak?

Demand peaks in May–Jul; the busiest month runs 2.5× the quietest.

What does it cost to enter the 27.5 inner tube niche?

Listings span £5.45–£15.48; the average listing price is £9.18 (sweet spot $15–$100). The average incumbent carries 724 reviews — the moat a new listing must climb.

27.5 inner tube

Worth a look

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

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Conversion

Great11.3%

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

Review moat

Good723.79

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Growth

Good+42.2%

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

Competition

Okay62%

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

Market size

Okay£148K

£148K/yr · 143K searches

Avg price

Okay£9.18

avg listing price — sweet spot $15–$100

Brand share

Bad91%

top-5 brand share — brand-locked demand

Price range

Bad£5.45–£15.48

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

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.

Data updated Jul 29, 2026 · scored weekly · How we score niches

Competition & brand share

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

Brands

8 falling

Sellers

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

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

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +42.2% search growth over the last 90 days.

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

Open Trend

All search terms

Top 27.5 inner tube products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Baldwins Bike Inner Tube 27.5 x 1.75 to 2.125 Schrader Valve & BALDYS TYRE LEVER

Baldwins£5.454.3★821 rev

Continental Unisexs 42mm MTB Presta Valve Inner TubeBlack 27.5 x 1.75 2.5Inch/42 mm

Continental£5.854.5★3,520 rev

Baldwins Bike Inner Tube 27.5 x 2.20 to 2.40 Schrader Valve & BALDYS TYRE LEVER

Baldwins£5.474.6★246 rev

Baldwins Bike Inner Tube 27.5 x 1.75 to 2.125 Schrader Valve & BALDYS TYRE LEVER (Pack of 2)

Baldwins£9.154.2★334 rev

Slime 30077 Bike Inner Tube with Slime Puncture Sealant Self Sealing Prevent and Repair Schrader Valve 27.5 x 1.5-2.3

Slime£7.224.4★2,263 rev

Newest

by launch date

YunSCM 2-Pack 27.5 Schrader Valve Bike Tubes 27.5x2.125/2.40 AV32mm Black Fits 27.5 x 2.125-2.4 Tires

YunSCM£12.4788 rev

1y ago

Baldwins Bike Inner Tube 27.5 x 2.20 to 2.40 Presta Valve & BALDYS TYRE LEVER (Pack of 2)

Baldwins£9.19164 rev

2y ago

Baldwins Bike Inner Tube 27.5 x 2.20 to 2.40 Schrader Valve & BALDYS TYRE LEVER

Baldwins£5.47246 rev

3y ago

Baldwins Bike Inner Tube 27.5 x 2.20 to 2.40 Presta Valve & BALDYS TYRE LEVER

Baldwins£5.46104 rev

3y ago

Baldwins Bike Inner Tube 27.5 x 1.75 to 2.125 Schrader Valve & BALDYS TYRE LEVER (Pack of 2)

Baldwins£9.15334 rev

3y ago

What buyers say about 27.5 inner tube

What buyers praise and complain about, mined from review topics.

What buyers love

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”

Leak-Proof1%

“Such an amazing item so you wouldn't even know if you had a puncture because itself seals which is an amazing bit of technology for the debris in today's roads you cannot ask for much more of a high grade item”

Portability1%

“Perfect for modern road travel”

Measurement/Reading Accuracy1%

“100% accurate with description”

Assembly/Installation1%

“easy to install”

Rubber Quality1%

“They have given me absolutely no issues whatsoever on the trail—Continental's seamless butyl rubber construction offers brilliant puncture resistance”

What buyers complain about

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”

Rubber Quality7%

“have located a manufacturing defect in that the rubber was pitted”

Inflation/Deflation7%

“infinitely deflating tyre”

Value For Money4%

“Competitively priced”

Advertised Vs Actual Product4%

“These definitely do not do what they say on the box”

Heating3%

“Amazing pre filled tubes just not effective in heat”

Top return reasons

Size-Overall51%

Inflation/Deflation10%

Defective Material/Parts8%

Leak-Proof6%

Functionality-Overall5%

Durability4%

Compatibility-Overall3%

Flatness1%

Ease Of Use1%

Advertised Vs Actual Product1%

Common questions

Is 27.5 inner tube profitable to sell on Amazon United Kingdom?: The niche generates £148K/yr across 19 tracked products. 90-day search growth is +42.2%. Flapen's verdict: Worth a look (53/100).
How competitive is the 27.5 inner tube niche?: 8 brands and 32 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in 27.5 inner tube?: Top complaints mined from reviews: Durability, Quality-Overall, Flatness. The return rate is 0.9%.
When does demand for 27.5 inner tube peak?: Demand peaks in May–Jul; the busiest month runs 2.5× the quietest.
What does it cost to enter the 27.5 inner tube niche?: Listings span £5.45–£15.48; the average listing price is £9.18 (sweet spot $15–$100). The average incumbent carries 724 reviews — the moat a new listing must climb.

27.5 inner tube

27.5 inner tube market data

Competition & brand share

Demand & seasonality

Top 27.5 inner tube search terms