CO2 cartridges. How often can they be used?

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Just had first puncture of the year. Used a CO2 canister for the first time.
Wow! Blew the tyre up in less than 2 seconds.
How much gas is in there? I can't believe I've emptied it. Does anyone know if these can be used more than once? I don't want to throw it away if it's still usable but don't want to carry a dead weight for no reason.

I'm running 700 x 28 tyres.
 

palinurus

Velo, boulot, dodo
Location
Watford
Nope- that's it, one shot.
 

si_c

Guru
Location
Wirral
Single use item, just make sure you recycle them when empty :okay:. A single 16g cartridge should get a 700x28c tyre to between 85 and 95psi.

As mentioned above, I always empty the tube and re-pump it when I get home as the gas does leak out of butyl tubes over time.
 
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