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  1. #1
    Senior Member madman91's Avatar
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    Presta? Shrader?

    Hello,
    I recently purchased 2005 fatboy slicks and with that i ordered tubes from nashbar.com .. Later after viewing different online stores such as the specialized estore i noticed they have different kinds of tubes like shrader or presta? Do these make a difference? Are they just small things that i shouldnt worry about ? Or did i just buy the wrong type of tube for my tire?



    Thanks

  2. #2
    Senior Member BlazingPedals's Avatar
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    Yes, there's a difference. You can use a presta tube in a shrader-drilled rim but not vice-versa. As usual, Sheldon Brown's site has some informative, er, info.
    http://www.sheldonbrown.com/brandt/presta-schrader.html

  3. #3
    Tom (ex)Builder twahl's Avatar
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    The presta valves are the smaller ones, the shraeders are the larger ones, same size as a car valve. You need the right size tube for your tire, and the right valve to fit your rims. Most mountain bikes use shraeder valves, and road bikes use presta valves.
    Tom

    "It hurts so good..."

  4. #4
    Senior Member
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    Quote Originally Posted by twahl
    The presta valves are the smaller ones, the shraeders are the larger ones, same size as a car valve. You need the right size tube for your tire, and the right valve to fit your rims. Most mountain bikes use shraeder valves, and road bikes use presta valves.

    I'm sorry, I may be wrong, as I haven't bought a new mtn bike or mtn bike wheel in a while, but in my experience,some less expensive mtn bikes use Schrader- Mid to higher end mtn bikes use Presta.

    I wish all my bikes were one or the other- having both is a pain.

  5. #5
    Tom (ex)Builder twahl's Avatar
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    You may very well be right on that. High end mountain bikes have never been my thing, so I may have been totally mistaken. I figured since the Mountain Morph pump I bought for my wife's 'bent was fit for Shrader, that most mountain bikes ran them.
    Tom

    "It hurts so good..."

  6. #6
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    Presta
    Shrader

  7. #7
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    I seriously hate Presta valves with a passion. They are a super pain in the butt to put air in.

  8. #8
    genec genec's Avatar
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    Quote Originally Posted by RockinAR
    I seriously hate Presta valves with a passion. They are a super pain in the butt to put air in.
    Are you opening the valve first?

    I just heard the same complaint from this lady down the street... she understood you had to unscrew the screw on top. But then she did not tap it like the finger in this pic shows... to open the seal.



  9. #9
    la vache fantôme phantomcow2's Avatar
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    I am a big fan of presta valves. THey are easier to pump anyways. But i drilled my rear rim out for a schrader anyways because i had a flat and didnt have any presta tubes left. Most mid ot high end rims i have laced are for presta. Most can be drilled out for schrader except for a few like the Deep V which cannot
    C://dos
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  10. #10
    Geosynchronous Falconeer recursive's Avatar
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    Presta is easier in my experience.
    Bring the pain.

  11. #11
    Toyota Racing Dev. PWRDbyTRD's Avatar
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    I have no preference though being able to stop at a gas station and fill up has it's advanatages...and YES I know they make freaking adapters
    Linkage...My 2004 Kona Hoss Dee-Lux My Mindless Banter
    Disclaimer: I'm 425lb...I put unnormal loads on my bike. This should help you in answering any of my questions.

  12. #12
    Senior Member Retro Grouch's Avatar
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    Quote Originally Posted by phantomcow2
    I am a big fan of presta valves. THey are easier to pump anyways.
    That's an argument that I've frequently heard, but it doesn't make any sense to me at all. I usually get a serious case of the giggles when people start extolling why Presta valves are supposed to be superior to Schrader. Anybody got any theories that I haven't heard yet?

  13. #13
    Geosynchronous Falconeer recursive's Avatar
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    Quote Originally Posted by Retro Grouch
    That's an argument that I've frequently heard, but it doesn't make any sense to me at all. I usually get a serious case of the giggles when people start extolling why Presta valves are supposed to be superior to Schrader. Anybody got any theories that I haven't heard yet?
    I don't have a strong preference, and think that they are about the same, however, I seem to have a slightly easier time getting the pump head seated on a presta valve. Using Schrader valves is not a major hardship or anything. My only theory, which could be completely off, is that the narrower width of the presta valves requires a smaller holed drilled, which affects the strength of the rim less, which is beneficial to lightweight racing rims.
    Bring the pain.

  14. #14
    Velocipedic Practitioner
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    I've always found presta to be much easier to pump. But I do carry an adapter just in case my frame pump malfunctions and I have to make an emergency fill at a gas station.
    Other forms of transportation grow daily more nightmarish. Only the bicycle remains pure in heart. - Iris Murdoch

  15. #15
    cab horn
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    Quote Originally Posted by PWRDbyTRD
    I have no preference though being able to stop at a gas station and fill up has it's advanatages...and YES I know they make freaking adapters
    You don't have this problem withi adapters...

  16. #16
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    Presta valves use the air pressure on the inside of the tube to "close" the valve. Shraders have a built in spring to assist. When you pump Shrader's up you have to overcome the spring plus the air pressure. That's why it's "easier" to pump up a Presta valve.

  17. #17
    Senior Member robo's Avatar
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    I think presta is a more elegant design, since it uses air pressure to keep the valve closed, instead of a spring mechanism. It also looks better

    I use presta valves but keep a $4 adaptor in my seat bag just in case. Actually, i _used_ to carry an adaptor, but i think my cat swallowed it or something as i haven't' seen it in a while.

  18. #18
    Senior Member Retro Grouch's Avatar
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    Quote Originally Posted by MisterJ
    Presta valves use the air pressure on the inside of the tube to "close" the valve. Shraders have a built in spring to assist. When you pump Shrader's up you have to overcome the spring plus the air pressure. That's why it's "easier" to pump up a Presta valve.
    I'll bet that you're easy to sell stuff to. Two things.

    First of all, have you ever felt how little tension that spring has? It's not enough to fuss about.

    Secondly, when you put your Schrader chuck onto the valve, a finger depresses the spring so you still don't have to overcome what little resistance there might be when you pump.

    You say that it's easier to pump a Presta tube. I'm betting that you've never measured if it's easier or not. I know I haven't but then my thesis is that there's no noticeable difference so I don't care.

  19. #19
    Senior Member Retro Grouch's Avatar
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    Quote Originally Posted by robo
    I think presta is a more elegant design, since it uses air pressure to keep the valve closed, instead of a spring mechanism. It also looks better
    Agreed. I like the slimmer look of Presta stems too.

    On the other hand, there's this. When you inflate a Schrader valve tube it's not always necessary to actually clamp onto the valve stem. If you have an air compressor, you can simply push the chuck against the valve stem. How many Presta valve tubes do you suppose have been ruined by side forces on the valve stem tearing the rubber at the base?

  20. #20
    Senior Member madman91's Avatar
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    well i have a cannondale hand pump that will take both.. problem solved

  21. #21
    Toyota Racing Dev. PWRDbyTRD's Avatar
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    Quote Originally Posted by operator
    You don't have this problem withi adapters...
    you're going to be dialing 911 here in a few
    Linkage...My 2004 Kona Hoss Dee-Lux My Mindless Banter
    Disclaimer: I'm 425lb...I put unnormal loads on my bike. This should help you in answering any of my questions.

  22. #22
    No pain, no gain. PainTrain's Avatar
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    Well, I use White Lightning.



    Wait, disregard. Sorry.

  23. #23
    Senior Member Geoff326's Avatar
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    i like presta, haven't had any probs with it yet
    Cannondale CAAD7

  24. #24
    Crazy lady Zub Zub's Avatar
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    Quote Originally Posted by madman91
    well i have a cannondale hand pump that will take both.. problem solved
    WooHoo go pumps which can pump both!
    If you notice this notice then you will notice that this notice is not worth noticing.

  25. #25
    loves his IRO. eXCeSS's Avatar
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    my bike has presta
    im scared of them

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