36 votes

Why are emergency inflation cartridges filled with CO2?

CO2 charger cartridges are used for bike tire inflation because they are a common, inexpensive product that has been around since the 1950s. Their other uses include powering air guns and inflating ...
Argenti Apparatus's user avatar
26 votes

Why are emergency inflation cartridges filled with CO2?

I believe you will find these articles informative: The hidden life of a CO2 cartridge [PDF] The CO2 Cartridge … an Under-Appreciated Marvel of Technology! — George Fox Lang [PDF] At room ...
Mr.Wizard's user avatar
  • 361
17 votes
Accepted

What is this blue mesh tube thing in the Rema TT 06 patch kit used for?

Looking at manufacturers site I found repair kit with 'mysterious' blue mesh listed as "Cartridge freeze protector". It is supposed to be put over the cartridge (like in this picture) to prevent ...
False Identity's user avatar
13 votes

If I puncture a CO2 cartridge, will it last a while?

Think of these as a one shot device. Once the seal is cracked, any remaining CO₂ will leak out over time, and you have no idea just how much is left. . How much time I have no idea, but the problem ...
mattnz's user avatar
  • 50.5k
12 votes
Accepted

Are CO₂ tire cartridges reusable for multiple tires?

CO2 cartridges are fine if you use them in the intended way: Roadside emergency. Otherwise they are a terrible waste of energy, resources and money. Normally a single cartridge is just enough for one ...
Carel's user avatar
  • 8,289
8 votes

Why are emergency inflation cartridges filled with CO2?

This explains part of the reason in what may be too much detail:http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch4/deviation5.html If you're going to read any of it, read the material starting ...
redrubberball's user avatar
7 votes
Accepted

Are tubeless tires the solution to frequent flat tires?

I wouldn't go for tubeless as a first attempt to solve the problem. Tubeless might be a good solution for skinny racing bike tyres, which are rather prone to puncturing. But you really shouldn't be ...
David Richerby's user avatar
7 votes

Are CO₂ tire cartridges reusable for multiple tires?

A single 12 gram cartridge is just about capable of filling two road bike tyres to good-enough pressure to ride. The same cartridge will barely fill a single 2" MTB tyre to a useful pressure, which ...
Criggie's user avatar
  • 124k
4 votes

If I puncture a CO2 cartridge, will it last a while?

Additional time information: These cartridges are filled with Carbon Dioxide, which is a relatively small molecule and can diffuse through butyl rubber more easily than atmospheric air can. You can ...
Criggie's user avatar
  • 124k
3 votes

Is a 16 grams CO2 cartridge enough to inflate a 29" mountainbike

Adding an inline answer to hold the image that I think was referenced.
Criggie's user avatar
  • 124k
3 votes

Do 16g CO2 cartridges have a shelf life?

Yesterday I was out biking and got a flat. My CO2 canisters are many years old, I’m going to guess about 5 to 10 years old. When I went to fill up the flat absolutely no aire came out. The canister ...
user37682's user avatar
2 votes

Are tubeless tires the solution to frequent flat tires?

Absolutely! I've been using tubeless with sealant for years on my mountain bikes and can count the flats I had since with one single hand. Will the tubeless tire setup generally be more reliable? ...
Narcís Calvet's user avatar
2 votes

Do 16g CO2 cartridges have a shelf life?

I inherited a Crossman pellet pistol from my father along with some cartridges .They were about 20 years old when I tried to use them.They worked but only had power for a few shots. Another 20 years ...
Earl Foster's user avatar

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