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Old 06-05-13, 02:06 PM   #1
TromboneAl
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Question Concerning CO2 Inflators

I just got a Genuine Innovations Ultraflate. I want to store one cartridge in the chamber. Should I screw it all the way in now, or just part way in (so that the seal is not punctured)? I'm guessing that if I screw it in, there's a danger that CO2 will leak out.
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Old 06-05-13, 02:18 PM   #2
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Why not just store the cartridge upside down / inverted? Have been doing this with my Ultraflate for the last couple of years with no issues. You could screw in part way, but as you have to dis-assemble to screw in fully, I just leave inverted.

For storing screwed in, the only risk is that if the safety gets knocked off, and the trigger is depressed, the CO2 will be released.
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Old 06-05-13, 03:08 PM   #3
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If it is pierced, even if it is not being triggered, it will eventually leak out of the cartridge.
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Old 06-05-13, 07:12 PM   #4
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Agree with put in inverted.
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Old 06-06-13, 11:24 AM   #5
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You sure it's threaded? I can only find images of the ultraflate plus, and they're not threaded. I like the threaded cylinders because the inflator head is tiny, but the unthreaded cylinders are much cheaper to source.

In any case, don't buy them at a bike shop... you can get cylinders in bulk from places like Amazon. And don't install the cylinder until you really need it.
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Old 06-06-13, 11:54 AM   #6
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The Ultraflate plus will take threaded or unthreaded cartridges.
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Old 06-06-13, 12:52 PM   #7
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Quote:
Originally Posted by TrojanHorse View Post
You sure it's threaded? I can only find images of the ultraflate plus, and they're not threaded. I like the threaded cylinders because the inflator head is tiny, but the unthreaded cylinders are much cheaper to source.

In any case, don't buy them at a bike shop... you can get cylinders in bulk from places like Amazon. And don't install the cylinder until you really need it.
The cartridge it came with is unthreaded. When I talked about screwing it in, I was talking about the holder.

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In any case, don't buy them at a bike shop... you can get cylinders in bulk from places like Amazon. And don't install the cylinder until you really need it.
Right. I got these. 66 cents each. They should be just the right size.

BTW, this product doesn't make sense to me: http://www.stayfill.com/index.html

The tires stay inflated, which is great if you never get a flat. But a cartridge is 115 grams, will fill three road tires, and costs $30.

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Old 06-06-13, 08:41 PM   #8
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Ah, good for you then. Bike shops charge crazy prices for those commodity things.

As for the stay fill..... ugh. Nice double entendre, I'm sure a 16 year old wrote that copy. they're probably nitrogen molecules, which is great, but... who cares. Cyclists tend to fill their tires daily and it's no big deal. I don't want to pay $30 to fix a flat though.
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