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Tire pump....or CO2 cartridge?...Which works better for you?

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Tire pump....or CO2 cartridge?...Which works better for you?

Old 07-17-10, 04:51 AM
  #76  
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The best pump I ever had was an aluminum Zefal. Wish I could still find them. Or at least the parts to repair old ones.
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Old 07-17-10, 09:30 AM
  #77  
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I haven't read the whole thread, but I seem to recall the Mountain Equipment Co-op in Canada stocking a mini pump that could do manual pumping or gas cartridges. Best of both worlds?
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Old 07-26-10, 01:22 PM
  #78  
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Hey, hope it's okay that I bump this thread.

Based on all the rave reviews from this discussion, I went to a bike shop and looked at the Road Morphs, and was a little surprised how large they were (they didn't have any "mini's" in stock). That wouldn't work for me, so I opted for a Lezyne Road Drive L instead. It's got a short hose that stores inside the handle, and the hose screws onto the valve (Presta only) which was a plus for me because I haven't had good luck with compression fittings and high-pressure tires. It's rated for 160 psi, and I put it to the test and was able to get a tire to 120 psi with some effort. The biggest drawback is that you can't put one end on the ground and use your weight to help with the high pressures, but on the other hand, it's very light and compact, and does the job.
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Old 07-26-10, 02:36 PM
  #79  
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Murphy's law dictates that I carry a mini-pump. A Topeak Road Morph to be exact.

Then again I don't ride with groups that can't wait for me to pump up a tire.
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Old 07-26-10, 03:14 PM
  #80  
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Originally Posted by akohekohe View Post
Seat Post Pump. Better than the Morph. CO2 is still faster though.
Personally I'd rather not have to remove the seat post just to pump up a tire. Aside from needing a hex key to do it, I'm very fussy about the position of my seat. Usually I have a piece tape on the seat post to mark the insertion point, but sometimes that falls off.
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Old 07-26-10, 04:15 PM
  #81  
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Originally Posted by tjspiel View Post
Personally I'd rather not have to remove the seat post just to pump up a tire. Aside from needing a hex key to do it, I'm very fussy about the position of my seat. Usually I have a piece tape on the seat post to mark the insertion point, but sometimes that falls off.
Yeah, that would be the biggest drawback for me as well.

I've been trying to figure out how to remove the seat and replace it at *exactly* the same height so I can fit 2 bikes inside my car. I own a Prius, and one of the reasons I bought it was that it would fit 1 bike inside the car (with the rear seats folded forward) without even taking off the front wheel. 2 bikes is way harder (plus in this scenario I usually also need room for luggage, so the bikes need to stand upright).

I was trying to figure out what I could attach that would stay securely attached better than tape...I think one of those attachments they use to hold reflectors on the back of the bike might work. You know, without the reflector (or maybe with it). But it's designed to go on the seat tube, and clamp on with a screwdriver...my one remaining concern is if it would work it's way up the seatpost somehow, but it seems like if you tightened it it should work...
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Old 07-26-10, 04:30 PM
  #82  
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Originally Posted by Shimagnolo View Post
"mini pump that works satisfactorily" -> Lezyne

Pump for *reliable* air source.
CO2 if you need to get back on the road in a hurry, i.e. group ride or racing.
CO2 is a *supplement* to a pump, not a replacement.
+1

I don't get flats too regularly (which one reason I don't use CO2). I use a Lezyne, which I like. In fact, I encourage other people to use it (to see how well it works).

I've seen enough people have problems with using CO2 that I would not be inclined to rely on it.

Originally Posted by groovestew View Post
...Lezyne Road Drive L instead. ...The biggest drawback is that you can't put one end on the ground and use your weight to help with the high pressures, but on the other hand, it's very light and compact, and does the job.
Slow and steady (and wear gloves!). What is your target pressure?
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Old 07-26-10, 04:37 PM
  #83  
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Originally Posted by Kojak View Post
I believe someone explained to me that CO2 molecules are smaller than O2 molecules, and therefore dissipate out of the tube and/or tube valve more rapidly than O2. Perhaps someone with a better understanding of this can better explain how this works.
The C02 appears to diffuse faster through rubber than other gases (mostly N2) present in air. Air is 80% N2 and 20% O2 (approximately).
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Old 07-26-10, 04:40 PM
  #84  
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Originally Posted by njkayaker View Post
Slow and steady (and wear gloves!). What is your target pressure?
110 psi, so seeing as I was able to exceed that, I'm quite happy with this pump.
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Old 07-26-10, 06:27 PM
  #85  
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Originally Posted by tjspiel View Post
Personally I'd rather not have to remove the seat post just to pump up a tire. Aside from needing a hex key to do it, I'm very fussy about the position of my seat. Usually I have a piece tape on the seat post to mark the insertion point, but sometimes that falls off.
I'm not sure the seat post pumps fit anything but a Dahon. My Dahon's seatpost/pump certainly won't fit in my Fuji. But on a Dahon you have to drop them down to fold the bike properly, the locking lever is hand operated, and the seat post has a distance scale engraved on it so you can put it right back where you want it every time.

Ken
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Old 07-26-10, 08:58 PM
  #86  
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Originally Posted by Rhodabike View Post
The best pump I ever had was an aluminum Zefal. Wish I could still find them. Or at least the parts to repair old ones.
Check out the Zefal Classic. https://www.zefal.com/zefal/produit.php?key=73

I carry a frame pump, 1 CO2 cartridge and a Genuine Innovations Air Chuck. Usually use the pump and save the CO2 for group rides or when I feel lazy.
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Old 07-26-10, 09:21 PM
  #87  
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Originally Posted by PaulRivers View Post
I was trying to figure out what I could attach that would stay securely attached better than tape...
WalMart "locking" head and taillight set; $15, and they clamp down using Allen screws. Not the greatest light sources ever, but the headlight doesn't take up too much space on the bars, and the taillight makes a perfect adjustment keeper on the seatpost.
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Old 07-26-10, 09:28 PM
  #88  
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^confused maybe?

I use a road morph, works great. I only need to get up to 80 psi, but it gets there without much trouble, I imagine it would work well for higher pressures too. I don't trust a cartridge to not explode my tube in my face, which for some reason is always a fear of mine when inflating.

Last edited by serra; 07-26-10 at 09:29 PM. Reason: permaban suggestion was a bit rude.
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Old 07-27-10, 12:45 AM
  #89  
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Originally Posted by tjspiel View Post
Personally I'd rather not have to remove the seat post just to pump up a tire. Aside from needing a hex key to do it, I'm very fussy about the position of my seat. Usually I have a piece tape on the seat post to mark the insertion point, but sometimes that falls off.
I mark the post with nail polish which makes it easy to get it back to the right position and it won't come off like tape. If you later decide to change the height it is easy enough to remove the nail polish and re-apply. I agree that I wouldn't want to take the seat off every-time I need to add air to the tire but I just use it for on road flats and use the floor pump for other times.
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Old 07-27-10, 04:44 AM
  #90  
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Topeak Road Morph mini pump, it always works and gives you control. CO2 cartridges are horrible, wasteful invention for lazy people. They should be made illegal.
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Old 07-27-10, 10:52 AM
  #91  
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Originally Posted by AdamDZ View Post
CO2 cartridges are horrible, wasteful invention for lazy people. They should be made illegal.
Bicycles are a horrible, wasteful invention for people too lazy too run.
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Old 07-27-10, 12:03 PM
  #92  
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Originally Posted by AdamDZ View Post
CO2 cartridges are horrible, wasteful invention for lazy people. They should be made illegal.
The biggest problem with CO2 cartridges is trying not to get your fingers caught in someone else's spokes when you pull the Cinzano manouvre on them.
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Old 07-27-10, 12:42 PM
  #93  
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Originally Posted by PaulRivers View Post
Yeah, that would be the biggest drawback for me as well.

I was trying to figure out what I could attach that would stay securely attached better than tape...
Hose clamps work great.

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Old 07-27-10, 12:50 PM
  #94  
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Joe Blow floor pump used before each ride + continental Gatorskins = no need for CO2 or minipump. I carry a Road Morph on the bike but it is over 3 years since I have had to use it. CO2 is fast but pressure is lost faster than air, so has to be pumped before you ride again.
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Old 07-27-10, 01:06 PM
  #95  
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Originally Posted by Buzzbait View Post
Hose clamps work great.

Hmm, interesting idea, though my concern there with sharp metal would be that it might dig into my carbon seatpost over time. Also, it would look a little out of place on my red and black bike... Happen to know of anything like that but in black? :-)
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Old 07-27-10, 01:50 PM
  #96  
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Originally Posted by AdamDZ View Post
CO2 cartridges are horrible, wasteful invention for lazy people. They should be made illegal.
+1 Nothing "green" about those cartridges, and I am tired of seeing them littered along the path. Using them seems a bit hypocritical if I want people to think I am somehow environmentally friendly by using my bike.

As for the precious time saved filling with CO2, the minute or two to pump up the tire isn't that big a deal with a decent pump. With dismounting/mounting the wheel, removing/replacing the tire, replacing or patching the tube, I am not convinced inflation is even the most time consuming portion of the process.

Thankfully I only get a couple flats a year. I carry a pump, patch kit and a spare tube. Haven't been stranded yet...knock on wood.
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Old 07-27-10, 02:00 PM
  #97  
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People say that they use CO2 because there's a fast impatient group of people waiting for them to get done fixing their flat. This has never happened to me - the group is always either to fast and impatient to wait for anyone (if my only action was to stop, then immediately start up again, I'd be dropped) or friendly or slow enough to wait a couple of extra minutes for me to do the pumping.

Let's say that you're not with a group who's waiting for you - to me the time difference is a draw. If I use CO2, now I have to go to the store and buy more at the end of the ride which would take even MORE time than the pumping does. To be fair, you could buy a bunch at once, or order them online, but it would still eat into the time I "save". And actually, for me, the risk of me forgetting to put a new cartridge in the saddle bag is worse than the 5 minutes of pumping.
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Old 07-27-10, 02:03 PM
  #98  
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Originally Posted by Leebo View Post
The topeak road morph works great for road or mountain bikes. Has a gauge and a piece to put your foot on. The nice feature is a small hose that allows you to pump without moving the tire valve around.
This is what I use and prefer. I never use CO2
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Old 07-27-10, 02:21 PM
  #99  
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I am a horrible, wasteful, lazy person. I hate most mini-pumps. I ran into CO2 before I ran into the Road Morph, which looks good and I think I'll get for those long, off-the-beaten path rides. But for my commute, I keep it simple and compact with an extra tube and CO2. Backup is an extra cartridge and a tire repair kit. All fits in my seat pack. Plan C, if it ever comes to it, is mooching from a passing cyclist. Since I switched to Schwalbe Marathons, I haven't had a flat.

I am all about the worst case scenario approach to many things. But the best case matters, too, and I am far happier with a quick burst that gives me enough air to get home than I ever was with screwing around with one of those crap mini pumps.
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Old 07-27-10, 02:36 PM
  #100  
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P.S. I don't mind changing flats, thought I'd obviously prefer not to. But the one thing I absolutely can't stand is flailing away with a lousy pump.

Nice slice of irony when a know-it-all pump & repair kit guy was bragging about how many more flats he could repair than me with my two CO2 cartridges, then he torqued the valve stem off because he was grappling with the pump so badly. He couldn't patch that, and he didn't have a tube. I told him he could have mine if, and only if, he blew it up with CO2.

The only reason I haven't morph'd up in the last 10 minutes is that I want to swing past REI and take a look at that Lezyne. The "floor pump" style and the hose leader look like winners to me.
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