Azur CO2 Replacement Cartridges Threaded 16g

$48.95

Protect Your Fingers – Add a Safety Sheath

CO₂ cartridges can get extremely cold during use – this simple rubber sheath slips over the cartridge to help protect your fingers from freeze burn. Lightweight, reusable, and easy to install.

Positz CO2 Safety Sheath – Anti-Freeze Sleeve for 16g Cartridges - 2 sheaths
Positz CO2 Safety Sheath – Anti-Freeze Sleeve for 16g Cartridges - 2 sheaths $3.95
Positz CO2 Safety Sheath – Anti-Freeze Sleeve for 16g Cartridges - 4 sheaths
Positz CO2 Safety Sheath – Anti-Freeze Sleeve for 16g Cartridges - 4 sheaths $5.95
Positz CO2 Safety Sheath – Anti-Freeze Sleeve for 16g Cartridges - 6 sheaths
Positz CO2 Safety Sheath – Anti-Freeze Sleeve for 16g Cartridges - 6 sheaths $6.95
Product price: $48.95
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Azur 16g CO2 Replacement Cartridges

Designed for cyclists who value convenience and speed, the Azur 16g CO2 threaded cartridges are a reliable choice for quick tyre inflation on the go. Compatible with most inflators that accept threaded cartridges, these compact canisters are ideal for mid-ride top-ups or emergency repairs.

  • Contains 16 grams of compressed CO2 per cartridge
  • Threaded design suits most inflator heads
  • Lightweight and compact – easy to stash in a saddle bag or jersey pocket
  • Inflates a standard road tyre (700x23c) to approx. 100psi
  • Requires a CO2 inflator (sold separately)

Why choose 16g instead of 25g?

The 16g cartridge is the right size for road bikes and smaller-volume tyres. It gets the job done without excess weight or waste. Larger 25g cartridges are often overkill unless you’re running higher-volume tyres (e.g. MTB, gravel), and they take up more space in your kit.

Who are these cartridges for?

Best suited for road cyclists, commuters, and triathletes who want a fast, no-fuss inflation solution. They’re perfect for riders who already carry a CO2 inflator head and value space-saving essentials.

Who aren’t these cartridges for?

These aren’t ideal for mountain bikers or anyone running high-volume tyres (e.g. fat bikes), as 16g may not provide enough pressure or volume. Also not suitable for those who prefer the control of a manual mini pump.

Why we love them

They’re small, simple, and do exactly what they’re supposed to. We use these on our own bikes – they’re especially handy during for on the run repairs when every second counts. No need to carry bulky gear – just a quick twist, inflate and you’re rolling again.

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