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[Closed] Push-on mini pump as good as a Lezyne Alloy Drive?

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I have an excellent shiny lovely Lezyne Alloy Drive in my Camelbak but since I switched to removable core valves (much easier for tubeless) it is now next to useless as when I unscrew the pump's connector from the valve it tends to take the valve core out at the same time - instant deflation! What's as good as the tiny but powerful Lezyne but pushes onto the valve?


 
Posted : 26/06/2012 8:10 pm
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Is that a "no, there isn't"?


 
Posted : 02/07/2012 3:26 pm
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Screwing your valves in properly.

I use a lezyne, never ever have that problem.


 
Posted : 02/07/2012 3:30 pm
 mttm
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Try tightening the valve cores a little bit more? The Stan's tool for this is about a [s]fiver[/s] £7.60, lot's cheaper than a new pump.

EDIT: here
http://www.wiggle.co.uk/stans-no-tubes-core-remover-1/


 
Posted : 02/07/2012 3:33 pm
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You got a valve core tool you can tighten them with?
Dab of locktite so you can never get them out agen?

Or maybe Edinburgh Bike Co-op pump?


 
Posted : 02/07/2012 3:37 pm
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Maybe the valves are knackered but this isn't a first time problem and it happens however tightly they're screwed in.


 
Posted : 02/07/2012 3:45 pm
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i know what you mean as i have experienced the same with my Lyzene...

not really a massive issue or worth buying a new pump. jog out now into the garage and nip up the valves with a pair of pliers. if you're really worried drop a dab of loktite onto the core...

serisly...?

Try tightening the valve cores a little bit more? The Stan's tool for this is about a fiver £7.60, lot's cheaper than a new pump.

EDIT: here
http://www.wiggle.co.uk/stans-no-tubes-core-remover-1/

a specific tool for a job that can be done with your teeth if need be....?


 
Posted : 02/07/2012 4:05 pm
 mttm
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Yes, a specific tool - strangely this tends to make the job a bit easier. You can use pliers, but they will chew up the very thread which the OP requires to attach his Lezyne pump to.


 
Posted : 02/07/2012 4:19 pm
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Yeah, pliers do the job, but the tool does it properly, and is very nice to use.


 
Posted : 02/07/2012 4:19 pm
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I've done it with a tool and with pliers - the problem still occurs!


 
Posted : 02/07/2012 4:25 pm
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Lezyne Speed chuck any good?
[img] [/img]


 
Posted : 02/07/2012 4:31 pm
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I had the same issue after my mate was the designated pump carrier & bought a Lyzene pump.

I settled on a topeak mountain morph mini. super fast, super easy, not so light (but I ain't a racer and I'm more overweight than the weight of the pump). Had it for a year in my Camelbak & (touch wood) the most reliable pump yet (C02 pumps excluded - which I also stopped using when they curdled the Stans Fluid in my tubeless set up).

HTH


 
Posted : 02/07/2012 4:36 pm
 igm
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Same problem - same topeak solution.


 
Posted : 02/07/2012 4:52 pm