---
title: "Co2 Cartridge — £181K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/sports-outdoors/co2-cartridge"
last_updated: "2026-07-31T09:01:41.952Z"
locale: en
meta:
description: "Niche score 49/100 · £181K/yr market · 143K searches/yr · £16.59 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · £181K/yr market · 143K searches/yr · £16.59 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Co2 Cartridge — £181K/yr Amazon UK Niche (2026) - Flapen"
---
# **co2 cartridge**
**Skip it**
A concentrated shelf (top 5 take 79% of clicks) — this niche doesn't clear our bar today.
Market size 37Growth 44Conversion 78Competition 18Returns 98Price range 73Avg price 79Brand share 31Review moat 42Quality gap 40
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****£16.59**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****7.6%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****£8.40–£33.30**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+15.0%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****2,306.36**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****£181K**
£181K/yr · 143K searches
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United Kingdom niche tracking, co2 cartridge is a £181K/yr Amazon United Kingdom market (143K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 49/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **co2 cartridge market data**
- **Units sold / yr**
- **8K–10K**
- avg 500–750/product
- **Revenue / yr**
- **£133K–£166K**
- units × avg price
- **Conversion rate**
- **7.6%**
- **Avg BSR**
- **#10**
- **Page quality**
- **0%**
- **Prime**
- **73%**
- **Sponsored**
- **64%**
- **Out of stock**
- **14.2%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **179 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**18**
**Top-5 brand share**
**86%**
Top 20: 92%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**6%**
- Umarex39% - ICO31% - --8% - KONG MING CAR7% - ARSUK6% - CO2 YOU3% - Open — no brand owns it (2 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +15.0% search growth over the last 90 days.
4K3KPrime Day '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/sports-outdoors/co2-cartridge/trend)
## **Top co2 cartridge search terms**
- **co2 cartridge**72K/yr+23.5%6.5% conv. - **12g co2 cartridge**26K/yr+6.9%6.7% conv. - **co2**17K/yr-2.0%1.5% conv. - **c02 cartridges**8K/yr+24.1%6.6% conv. - **co2 canisters**6K/yr-3.1%2.8% conv. - **12g co2 cartridge air pistol**4K/yr+21.0%9.7% conv. - **co2 cartridge 12g**4K/yr+16.3%8.0% conv. - **umarex co2 cartridge 12g**4K/yr-1.8%14.1% conv. [**All search terms **](https://flapen.com/research/uk/sports-outdoors/co2-cartridge/search-terms)
## **Top co2 cartridge 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.
0%10%£18K20%£36K30%£54K40%£72K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Umarex 20 x 12g Co2 Gas Capsules Cartridge Air Rifle Pistol Gun Airgun 12 Gram CO2**Umarex**£11.46**4.7★1,207 rev](https://www.amazon.co.uk/dp/B01G21YF9M) [2**CO2 cartridge (10pk) 16g C02 Cartridges Threaded For CO2 Bike Tyre Inflator**ICO**£10.65**4.6★13,331 rev](https://www.amazon.co.uk/dp/B00U6AI2H2) [3**Umarex 12gram Airgun Co2 Cartridge 50 Pack - 12 gram Powerlets Bulbs Suits All Popular Co2 Pellet and BB Guns Inc. Crosman Gamo and Swith Wesson etc.**Umarex**£20.51**4.8★765 rev](https://www.amazon.co.uk/dp/B01G226BTI) [4**BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear**--**£17.72**4.2★18 rev](https://www.amazon.co.uk/dp/B0FXMY1VTV) [5**KONG MING CAR CO2 Cartridges with Thread 16g/25g CO2 Cartridges with Thread Connection for All CO2 Bicycle Tyre Fillers CO2 Pump for Road Bikes and Mountain Bikes (16G-6PCS)**KONG MING CAR**£9.65**4.6★113 rev](https://www.amazon.co.uk/dp/B0CJ95CJQB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear**--**£17.72**18 rev9mo ago](https://www.amazon.co.uk/dp/B0FXMY1VTV) [**Dual Pack CO2 YOU Gas Cylinder (SCREW IN) 60 Litre for Home Carbontators - Check Your Compatibility Below**CO2 YOU**£33.30**145 rev1y ago](https://www.amazon.co.uk/dp/B0F9LN55W8) [**FizzIt Pro 425g CO2 Cylinders Carbonates Up to 120L Refillable Soda Makers Fits Most Screw-Type Compatible Models Efficient Carbonation for Water & Beverages Compact & Cost-Effective (Pack of 2)**FizzIt Pro**£33.13**97 rev1y ago](https://www.amazon.co.uk/dp/B0DXL7VQMS) [**KONG MING CAR CO2 Cartridges with Thread 16g/25g CO2 Cartridges with Thread Connection for All CO2 Bicycle Tyre Fillers CO2 Pump for Road Bikes and Mountain Bikes (16G-6PCS)**KONG MING CAR**£9.65**113 rev2y ago](https://www.amazon.co.uk/dp/B0CJ95CJQB) [**CXWXC CO2 Inflator Kit with 16g/ 25g CO2 Cartridges - Presta & Schrader Valve Compatible - CO2 Bike Pump for Road and Mountain Bikes**CXWXC**£18.04**1,097 rev5y ago](https://www.amazon.co.uk/dp/B08HH97LLP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CXWXC CO2 Inflator Kit with 16g/ 25g CO2 Cartridges - Presta & Schrader Valve Compatible - CO2 Bike Pump for Road and Mountain Bikes**CXWXC**£18.04**4.4★**▲ 127%**](https://www.amazon.co.uk/dp/B08HH97LLP) [**FizzIt Pro 425g CO2 Cylinders Carbonates Up to 120L Refillable Soda Makers Fits Most Screw-Type Compatible Models Efficient Carbonation for Water & Beverages Compact & Cost-Effective (Pack of 2)**FizzIt Pro**£33.13**4.4★**▲ 71%**](https://www.amazon.co.uk/dp/B0DXL7VQMS) [**KONG MING CAR CO2 Cartridges with Thread 16g/25g CO2 Cartridges with Thread Connection for All CO2 Bicycle Tyre Fillers CO2 Pump for Road Bikes and Mountain Bikes (16G-6PCS)**KONG MING CAR**£9.65**4.6★**▲ 44%**](https://www.amazon.co.uk/dp/B0CJ95CJQB) [**Dual Pack CO2 YOU Gas Cylinder (SCREW IN) 60 Litre for Home Carbontators - Check Your Compatibility Below**CO2 YOU**£33.30**4.3★**▲ 42%**](https://www.amazon.co.uk/dp/B0F9LN55W8) [**BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear**--**£17.72**4.2★**▲ 31%**](https://www.amazon.co.uk/dp/B0FXMY1VTV)
**~~View all trending →~~**
## **What buyers say about co2 cartridge**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**33%
*“Good value for money”*
**Quality-Overall**21%
*“Good quality”*
**Advertised Vs Actual Product**18%
*“Works as it should”*
**Size-Overall**7%
*“good fit”*
**Inflation/Deflation**6%
*“Great for my gas cartridge inflated scuba SMB”*
**Ease Of Use**6%
*“EASY TO USE”*
**Compatibility-Overall**2%
*“these were totally compatible”*
**Assembly/Installation**1%
*“Easy to install in to Aarke product”*
**Efficiency**1%
*“And then this changes everything”*
### **What buyers complain about **
**Advertised Vs Actual Product**15%
*“Misleading at best”*
**Quality-Overall**15%
*“It seems to me that there is an issue with Quality Control at this company”*
**Leak-Proof**15%
*“Leaks”*
**Compatibility-Overall**8%
*“The saturator is not compatible with others”*
**Flatness**8%
*“The cap is not perfectly flat it has a slight indentation causing the pin to fail to puncture correctly causing ice up”*
**Value For Money**8%
*“Money waster”*
**Strength**4%
*“Just a weak, cheap, paper bag so happy that no cartridges were listed in transit thus time”*
**Weight Heavy**4%
*“heavy though”*
**Recycle/Reuse**4%
*“there is no facility to recycle these without a subscription”*
**Functionality-Overall**3%
*“The tyre goes from unusable to functional in seconds”*
### **Top return reasons **
**Size-Overall**74%
**Compatibility-Overall**11%
**Advertised Vs Actual Product**6%
**Functionality-Overall**4%
**Leak-Proof**2%
**Defective Material/Parts**1%
**Value For Money**1%
**Durability**1%
**Gifting Purpose**1%
**Connectivity-Overall**1%
## **Common questions**
- **Is co2 cartridge profitable to sell on Amazon United Kingdom?**
- The niche generates £181K/yr across 11 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +15.0%. Flapen's verdict: Skip it (49/100).
- **How competitive is the co2 cartridge niche?**
- 8 brands and 18 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in co2 cartridge?**
- Top complaints mined from reviews: Advertised Vs Actual Product, Quality-Overall, Leak-Proof. The return rate is 0.4%.
- **When does demand for co2 cartridge peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the co2 cartridge niche?**
- Listings span £8.40–£33.30; the average listing price is £16.59 (sweet spot $15–$100). The average incumbent carries 2,306 reviews — the moat a new listing must climb.
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