Threaded CO2 Cartridges 16g (10 Pack) Review
You’re on a mountain bike ride, you hit a sharp rock, and the rear tire hisses flat. You’ve got a mini inflator and a handful of CO2 cartridges, but will they actually seal the bead and get you to the trailhead? That’s the exact moment Threaded CO2 Cartridges 16g CO2 Cartridges for CO2 Tire become the most important piece of gear in your pack.
I’ve spent weeks digging into buyer reports, manufacturer specs, and real-world feedback to figure out whether this 10‑pack is the smart buy for cyclists, airgun owners, and homebrewers.
Spoiler: for most people it is, but there are a few caveats. If you need a reliable, leak‑proof CO2 cartridge that works with standard threaded inflators, this pack delivers excellent value. If you’re looking for a niche size or a non‑threaded cartridge, you’ll want to skip it.
Let’s walk through everything you need to know before clicking “add to cart.”
What it is
A CO2 cartridge is a small, disposable steel cylinder filled with compressed carbon dioxide. When you screw it into a compatible inflator or valve, the gas releases rapidly to inflate a tire, power a paintball marker, or pressurize a homebrew keg. This 10‑pack contains 16‑gram threaded cartridges, each rated to deliver up to 100 psi of pressure.
The threaded neck (the standard 5/8‑inch UNF thread) fits the vast majority of bike inflators, paintball guns, and beer‑dispensing systems. The manufacturer uses food‑grade CO2, which means it’s safe for beverage carbonation, and each cartridge is individually sealed to prevent leaks.
Compared to cheaper non‑threaded cartridges, the threaded design is easier to use and less likely to leak. Brands like Leland, Genuine Innovations, and Pure Energy make similar products, but this pack stands out for its consistent pressure and low per‑unit cost.
Setup & first impressions
These cartridges come in a simple cardboard box with a plastic tray holding all ten units. Verified buyer feedback across hundreds of reviews notes that the threading is clean and uniform. No one reported stripped threads or difficult starts.
The steel feels sturdy, not flimsy, and the seal at the tip is intact on every cartridge.
When you first screw one into a typical bike inflator (like the Lezyne or Topeak models), the engagement is smooth. The O‑ring inside the inflator seats well against the cartridge neck. You don’t need extra Teflon tape.
A few users mentioned that the cartridge threads felt slightly tight on some older inflators, but that’s actually a good sign: it means the seal is tight.
One thing to note: the cartridges are filled with food‑grade CO2, so there’s no oily residue or unpleasant taste if you’re using them for beer. The pressure rating of 100 psi is ideal for a 700x25c road tire (typically 80, 100 psi) or a standard mountain bike tire (30, 50 psi). For larger tires, you might need two cartridges.
| CO2 Weight | 16 grams per cartridge |
| Thread Type | 5/8‑inch UNF (threaded) |
| Max Pressure | 100 psi (approx. 7 bar) |
| Gas Purity | Food‑grade CO2 (99.9%+ purity) |
| Quantity | 10 cartridges per pack |
| Material | Steel body, brass‑coated tip |
| Dimensions | ~3.5 inches long, 0.8 inch diameter |
| Certifications | Meets DOT‑39 specifications for non‑refillable cylinders |
Daily‑use experience
Performance
Most users report that a single 16g cartridge inflates a 26×2.1” mountain bike tire to about 30 psi, which is plenty for trail riding. For a road tire at 80 psi, you’ll need two cartridges. The pressure release is quick and even.
Unlike some budget cartridges that hiss and sputter, these deliver a steady flow. Verified buyers on mountain bike forums mention that the gas doesn’t freeze the inflator head as badly as some other brands, thanks to the food‑grade purity and consistent fill.
For paintball markers, such as the Tippmann Cronus, these cartridges provide enough gas for about 30, 40 shots at standard velocity. That’s in line with other 16g threaded cartridges. The threading holds tight during rapid fire, and we didn’t see any reports of the cartridge blowing off the marker.
Compatibility concerns
The threaded 5/8‑inch UNF design fits most bike inflators and paintball guns, but not all. Some older inflators use a pin‑style (non‑threaded) valve. Double‑check your inflator before buying.
If you’re using them for a homebrew keg, the cartridge needs a compatible CO2 regulator with a threaded adapter. The manufacturer doesn’t include an adapter, but most hobbyists already have one.
A small number of users reported that the cartridge threads were slightly too short for certain inflator heads, causing the O‑ring to not seal fully. This seems to be a batch issue, and the manufacturer has addressed it in later production runs. If you encounter a leak, try tightening a bit more, but don’t overtighten.
Build quality
The steel body feels solid. The brass‑coated tip resists corrosion. The cartridges are DOT‑39 compliant, which means they pass standard pressure tests for non‑refillable cylinders.
We didn’t find any reports of cartridges rusting or leaking during storage. The 10‑pack’s plastic tray keeps them organized, though it’s a bit flimsy. Some users suggested storing the cartridges in a separate padded case to prevent denting the tips.
Value for money
Per cartridge, this pack is among the best values on the market. You’re paying roughly half of what you’d pay for a branded 2‑pack at a bike shop. The food‑grade purity adds versatility for homebrewers.
If you use CO2 for multiple purposes, this 10‑pack is a no‑brainer.
✓ Pros
- Consistent 100 psi output across all ten cartridges, no duds reported
- Food‑grade CO2 means you can also use them for beer carbonation without off‑flavors
- Threaded design eliminates the need for an adapter on most modern inflators
- Excellent per‑unit price compared to bike shop single packs
- Individually sealed tips prevent leaks during storage, verified by buyer reviews
✗ Cons
- Thread length is slightly shorter than some name‑brand cartridges, causing occasional seal issues on certain inflators
- Plastic tray is cheap and doesn’t protect the cartridges from denting if tossed in a backpack
- Not compatible with non‑threaded (pin) inflators, so check your gear first
- Some users wished for a 25g version for larger tires, but only 16g is available in this pack
Who should buy it
Buy it if you…
You’re a mountain biker or road cyclist who carries a mini pump and CO2 inflator as a backup. These cartridges are small enough to stash in a jersey pocket or saddle bag. They’re also a great fit for paintball markers that use threaded 16g cartridges, like the Tippmann Cronus or the Spyder series.
Homebrewers on a budget will appreciate the food‑grade CO2 for carbonating kegs without the retail markup. If you’re in any of these groups, the 10‑pack is a smart investment.
Skip it if you…
You rely on a non‑threaded inflator that uses a pin‑style valve. Those require smooth cartridges, and these won’t work. Also skip if you need larger cartridges for truck tires or air suspension, because 16g won’t deliver enough volume.
For occasional users who only need one or two cartridges per year, a 2‑pack from a bike shop might be more convenient, even if it costs more per unit.
Better alternatives
If you’re looking for a non‑threaded option, the Genuine Innovations 16g smooth cartridges are a direct alternative. For a higher capacity, the Leland 25g threaded cartridges offer more gas per cartridge, but they’re pricier. If you’re a paintball player who goes through cartridges quickly, the Pure Energy 16g 50‑pack is a bulk option worth considering.
Frequently Asked Questions (FAQ)
Are these cartridges compatible with all CO2 inflators?
Most threaded inflators that use a 5/8‑inch UNF thread will work. Brands like Lezyne, Topeak, and Blackburn are usually compatible. Non‑threaded inflators (pin valve) are not compatible.
Check your inflator’s manual or look at the valve head: if it has threads inside, you’re good.
Can I use these for beer keg carbonation?
Yes, because they’re filled with food‑grade CO2. You’ll need a threaded regulator that accepts a 16g cartridge. Many homebrew systems include a CO2 adapter.
The 16g size is enough to carbonate a 5‑gallon keg once, but you’ll need multiple cartridges for serving.
How many tires can one cartridge inflate?
One 16g cartridge inflates a standard 26×2.1” mountain bike tire to about 30 psi. For a road tire at 80 psi, you’ll need two. For a car tire, it’s not enough; you’d need a larger cartridge or a compressor.
Do they leak if stored for a long time?
The cartridges are individually sealed with a plastic cap on the tip. Verified buyer reports indicate they hold pressure for years when stored in a cool, dry place. The brass tip resists corrosion.
Avoid storing them in a hot car trunk, because extreme heat can increase internal pressure.
What’s the difference between threaded and non‑threaded CO2 cartridges?
Threaded cartridges have a screw‑on neck that mates with a matching thread in the inflator, creating a seal. Non‑threaded (smooth) cartridges use a pin to pierce the seal. Threaded is generally easier to use and less prone to leaks, but it’s not universal.
Always match the type to your inflator.
Are these cartridges refillable?
No, they are non‑refillable per DOT‑39 regulations. Attempting to refill them is dangerous. Dispose of them in metal recycling after use.
Final verdict
4.6/5 stars
These threaded CO2 cartridges deliver reliable performance, consistent pressure, and excellent value for cyclists, paintballers, and homebrewers. The food‑grade purity and leak‑proof design make them a versatile choice. The only real downsides are the slightly short thread on some batches and the lack of compatibility with non‑threaded inflators.
If you’re in the right use case, the 10‑pack is a no‑regret buy.
Affiliate disclosure: This post contains affiliate links. If you buy through one of these links, I may earn a small commission at no extra cost to you. It never changes my recommendation, I only suggest gear I’d actually buy myself.
1. Threaded CO2 Cartridges 16g (10 Pack)
These cartridges earn our top pick because they combine reliability, purity, and value in a single pack. Whether you’re fixing a flat on the trail or carbonating your homebrew, they deliver every time.
