Thanks for all the great tips. Tonight I gave it another try and unscrewed the presta valves a little farther. Worked like a charm!!! I have 2 adapters. Is there anything wrong with just leaving the adapters on the valves?
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Pounds lost: 53.7
Fitness Minutes: (439) Posts: 3,641 7/12/11 12:29 P
If you are talking about the nuts that tighten against the rim most cyclists don't use them. Some presta valve stems are not even threaded for them.
It sounds like you didn't have the right head for presta valves. I'm partial to the big brass heads that come on Silca Pista pumps. Good bike shops sell them separately so they can be connected to the hose of whatever kind of pump you have.
1) after opening the valve all the way, before pumping, tap the valve a few times until you get some air spritzing out as sometimes a little dirt can plug it and make pumping difficult if not impossible.
2) be OH-SO-CAREFUL when using emergency, hand pumps that strap on your bikes as presta valves bend and ruin so easily. You really have to support the pump like a rock with your non-pumping hand so that you don't jerk the presta valve around. I learned the hard way the first time I did this and ruined the tube.
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Pounds lost: 106.0
Fitness Minutes: (49,969) Posts: 8,720 7/12/11 7:23 A
The presta vavles are annoying. And I struggle AFTER getting air into them. Thanks for the link to the air pump. I may look into that b/c I also have trouble sometimes getting the pump off the valve and losing air in the process.
I HAVE ALSO BROKEN THE PRESTA VALVE as well trying to get the darned thing off!!! This is EXTRA annoying b/c that can't be fixed. You need a whole new inner tube!
I have a Zefal pump that I purchased with my Bianchi about 20 years ago. It had a Shrader valve with a Presta adapter attached. I finally had to purchase a new pump because I got tired of struggling with the pump head not detaching, once finished inflating, before several pounds of air were lost.
Regardless, I highly recommend the pump. It's solid, heavy and relatively not too expensive.
Do be aware, you CAN unscrew the tip of the presta valve from the stem. You won't break anything - it's more annoying than anything. On the rarity I do that, I say a few curse words (somewhat customarily), and just screw it back in to where it seats properly (be careful not to cross-thread it). And also be aware that you can actually break the tip off if you bend it while trying to attach the pump. Just exercise some caution and common sense and you'll be fine. And, if you break it and can't get the threaded end replaced, it's great tire changing exercise. (^_^)
As for your question about the retaining nut: I used to be of the mindset that I needed them on my wheels, too. You don't really need them, it's more of a preference. They can also scratch your rims so many people opt to not use them at all. But you'll hurt nothing if you put them on.
You'll get the pump procedure down. Just takes a little trial and error.
current weight: 197.6
Fitness Minutes: (14,408) Posts: 464 7/11/11 11:11 P
You need a pump head designed for presta valves, or a cheap little adapter available at any bike shop. I'm also going to tell you something that you probably already know, and that is to "unscrew" the top of the presta valve all the way to allow air in. You screw it down to close.
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current weight: 230.0
Fitness Minutes: (9,011) Posts: 600 7/11/11 10:26 P
Are there any tips or things NOT to do when trying to put air in a presta valve. My bike pump didn't seem to be doing the job. I just figured it didn't have enough umph! So I took it to the ex's farm shed to use the air compressor. I need to get some rings (don't know the name of 'em but the little ones that go up against the rim) since these valves don't have any. But even when trying to hold the valve strong enough to get a good seal with the nozzle, it seemed like I was letting more air out than in. Maybe I had the tip of the presta valve too loose or not loose enough under the adapter? Are they usually this tricky?
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