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Cats Meow

Old 11-22-07, 07:05 PM
  #1  
cyclinfool
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Cats Meow

Today while riding with the usual gang one of the group pulled a flat. I had my new Tarmac with the wedge pack that came complete with CO2 and patch kit. After extracting a hunk of glass out of his tire and replacing the tube I got my first try with a CO2 inflator - WOW, what have I been missing. That is the cats meow!
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Old 11-22-07, 07:19 PM
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+1. That was my impression the first time that I used one too. It's so fast and easy to inflate the tire I feel like I must be cheating or something.

Uh - don't tell anybody that I said that. I've got a screen name reputation to defend.
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Old 11-22-07, 11:39 PM
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Don't leave your patches and pump home though. CO2 is only really good when there is no hole in the tube and when you've still got bottles of gas.

Richard
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Old 11-23-07, 01:14 AM
  #4  
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The wonders of modern technology!
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Old 11-23-07, 04:27 AM
  #5  
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Glad to hear it. I just bought a CO2 inflator and haven't had an occasion to use it yet (knock wood).
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Old 11-24-07, 08:29 PM
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I bought one a couple of months ago and hadn't used it yet when I met my brother for our usual Thursday ride. Discovered he had a flat before we left. He quikly repaired it with a new tube and floor pump, but didn't have his mini pump. "Don't worry I have this brand new handy dandy CO2 inflator" i say. Sure enough 20km out he gets another flat, and also sure enough the infator didn't work. Tried 3 cartridges--nothing. So i rode back to his place, got the car and rescued him. Took the inflator back to the LBS the next day, and the guy says Yah sometimes they don't puncture the cartridge. He dropped a penny in the bottom of the tube and replaced the cartridge-- worked fine. I'm carrying a mini pump again.
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Old 11-24-07, 08:55 PM
  #7  
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The cartridges are wasteful and expensive and cannot do anything better than a frame fit pump, which has the added benefit of still being there if you get a second or third puncture out on the road. I have Zefal HP-X pumps on the Bianchi and the Capo, a Blackburn on the UO-8 (fits nicely between the factory brazed downtube pump pegs), and a Mt. Zefal on the Schwinn (fits the factory brazed pump peg on the back of the seat tube). On the road bikes I always carry a patch kit, a spare innertube, a full-size pump, and three tire levers. On the mountain bike I carry all but the tire levers, since I can easily pull the tires on and off the rims.
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Old 11-24-07, 09:23 PM
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I bought a CO2 inflater with 3 cartridges back in April. Still haven't used it.

Hope I never have to use it.
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Old 11-24-07, 09:45 PM
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co2 is good for racing
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Old 11-24-07, 09:54 PM
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In the case where you have to inflate the tube to find a very small hole, is there enough co2 gas left to fill the repaired tire afterwards?

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Old 11-24-07, 10:01 PM
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Originally Posted by knotty View Post
In the case where you have to inflate the tube to find a very small hole, is there enough co2 gas left to fill the repaired tire afterwards?

knotty
I believe I could have done two full flats with 1 cartage according to another friend who was riding with us at the time. We put a little in the tube, found the hole then found the spot on the tire and extracted a shard of glass, we them did the repair and inflated the tube fully and to presure.
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Old 11-24-07, 10:07 PM
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cyclinfool, that's good to know, thanks.

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Old 11-24-07, 10:07 PM
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I carry a Nashbar combo, pump and co2 in one unit. Use the pump to blow up the tube and find the hole, repair it and inflate it with co2. Great backup if you have more flats than you have cartridges. On the old Schwinns, I carry a frame pump. Much easier to pump up 50 psi than 100.
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Old 11-24-07, 11:27 PM
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Carry an extra tube and don't worry about finding the hole in the old one unless you get another flat. If you are using the smaller CO2 cartridges then you may find that you can find the hole and still inflate the tube again but it will not be a very firm tire. That's okay if the ride home is short. As mentioned above I carry a light weight pump in my wedge pack to initiate inflation, then top off with the CO2.
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Old 11-25-07, 02:02 AM
  #15  
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One of the things I have heard is that if you inflate with CO2- then the following day pressure will be down. I have just replaced the tyres on my Ultegra wheels that have not been used for a month. These are normally used at a pressure of 140psi and when I took them off the wall- The pressure was still rock hard. Co2 and the pressure would have decreased.

I am a firm believer in a Pump to inflate but It does take effort and does take time. I still would not trust CO2 as I have often come across riders where the inflator has not worked and loaned them my pump. I have also come across riders where their pump has not worked either so Take your choice.
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Old 11-25-07, 04:20 AM
  #16  
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CO2 cartridges will fill a road tire adequately but you will probably need more than one to deal with an MTB tire.
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Old 11-25-07, 07:12 AM
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CO2 vs. "real" air wars. You gotta love 'em.
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