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Never used a CO2 inflator before (Microflate)

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Never used a CO2 inflator before (Microflate)

Old 01-05-07, 12:52 AM
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Never used a CO2 inflator before (Microflate)

I bought a Genuine Innovations Microflate CO2 inflator with several CO2 16g cartridges for flat repair on the road. Looks like this:



I've never used this before. Once I twist the CO2 cartridge into the Microflate, does it start to release the air right away? Or does it first puncture the seal, and then I have to twist the cart some more to release the air? This would go on a presta valve.

Sorry to sound so noobish, but I really don't want to be out on the road and end up emptying my two carts because I screwed up and still be left with a flat tire.

Also, how much does one 16g cartridge fill? Say my tire is completely flat (new tube) and I want to get it up to 120PSI -- will one 16g cart get me there?
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Old 01-05-07, 12:57 AM
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Twist it fully on to seat the inhalator, and then untwist to release the CO2.
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Old 01-05-07, 01:03 AM
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watch the video:

https://www.genuineinnovations.com/movies/1001.mov
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Old 01-05-07, 08:40 AM
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^ Thanks for the video. That was very helpful. I tried searching the GI website but for some reason their links were working very goofy. Probably because I use Safari web browser on a Mac.

Can anyone answer approx. how high a PSI rating one 16g canister can fill to? I suppose as long as it is over 100 I would be OK.

Also, once I fill a tube with CO2 after a roadside repair, when I make it home, should I just leave the CO2 in the tire or empty it out and refill the tube with a pump?

Maybe I'm being a little anal about this, but I'm trying to learn as much as I can. Forewarned is forearmed! (or something like that)
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Old 01-05-07, 08:42 AM
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I am new to cycling and have this same device (just got it). To me it is worth a wasted canister to do a test run in my basement. I plan on doing that this weekend.
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Old 01-05-07, 09:03 AM
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You should really try it first at home. You'll "waste" a cartridge, but it'll be worth it. Better to do it wrong at home.

Consider using this:
https://www.nashbar.com/profile.cfm?c...3A%20Inflators

It's a mini pump and a C02 head. It attaches next to the bottle cage. I haven't had any problems hitting it with my legs. If you use the threaded cartridges you can keep one cartridge in the pump,otherwise you'll need to store it in your bag / jersey. It's a VERY small pump, but I have inflated a tire with it. Of course, it's easier to just use C02.

Now, if someone would make a C02 / multi-tool / mini pump...

https://www.blackburndesign.com/co2.html
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Old 01-05-07, 09:15 AM
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I have to second the Minipump/CO2 combo. I have the innovations second wind IH. To me the biggest benefit of this system is that you can use the pump to put that say 5psi or whatever in the tube that makes it easier to mount the tire, then once you get the tire on the rim you go to the CO2 to inflate. Also the 2nd Wind can use unthreaded 12g cartridges so you can get them cheap at WalMart rather than 5x the cost at the LBS. Plus it also has a trigger to release and control the CO2 so there is some added control.
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Old 01-05-07, 09:19 AM
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I just wanted to add that I don't like using them in the winter. The cartridge gets very cold while you're filling. With low temps, fumbling fingers and wind ... I use a pump instead.

In the summer, you can drop the empty cartridge in your water bottle. Makes a great ice cube!
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Old 01-05-07, 09:20 AM
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^^^^^

Can that thing actually pump a tire to adequate pressure if you're out of C02?
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Old 01-05-07, 09:21 AM
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Originally Posted by yeamac
^ Thanks for the video. That was very helpful. I tried searching the GI website but for some reason their links were working very goofy. Probably because I use Safari web browser on a Mac.

Can anyone answer approx. how high a PSI rating one 16g canister can fill to? I suppose as long as it is over 100 I would be OK.
they say a 16g can fill a tire to 120psi...I say closer to 105...either way, plenty to get you home.
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Old 01-05-07, 09:27 AM
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Originally Posted by merlinextraligh
^^^^^

Can that thing actually pump a tire to adequate pressure if you're out of C02?
I wouldn't want to find out...but supposedly it can which is another reason I went with it. Plus now if I stop and offer tools to someone on the side of the road I don't have to give them a CO2...if your out on the road with no pump you can work your arms.
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Old 01-05-07, 09:33 AM
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Originally Posted by indygreg
I am new to cycling and have this same device (just got it). To me it is worth a wasted canister to do a test run in my basement. I plan on doing that this weekend.
Totally not worth the time or money (as little as it is). Those are super easy to use. Seriously, I used one about a week ago for the first time and I got 95 lbs of pressure (checked when I got home) and the only reason I stopped is because I didn't want to over inflate.

Those things are a breeze to use. I didn't even have trouble putting a bit of air in the tire for mounting then backing the CO2 off, then filling up the rest of the way.
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Old 01-05-07, 09:34 AM
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I carry both CO2 and a hand pump. The CO2 inflator works fine but you definitely need to carry at least two bottles in case you goof up inserting it in the inflator.
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Old 01-05-07, 10:50 AM
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Originally Posted by merlinextraligh
Can that thing actually pump a tire to adequate pressure if you're out of C02?
I borrowed my brother in-law's mountain bike over Christmas. Both tires were completely flat and he had no pump. I only brought 2 C02 cartridges so I used the mini-pump. (He couldn't find his pump.) I was able to inflate both tires to 55 PSI, but it was A LOT of work.

Of course afterwards I realized I should have just used my two cartridges. It's not like he had any spare tubes anyway.

And then after that he found his full size floor pump. *#$*#!
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Old 01-05-07, 11:14 AM
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I have the same one as the OP. Used the first time last week when I got a flat. All I can say is WOW! Had my tire inflated in about 1 second.
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