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-   -   tire question (http://www.bikeforums.net/general-cycling-discussion/270953-tire-question.html)

alohaboy 02-20-07 08:40 PM

tire question
 
Okay, it's been a while since I've been on the bike, but I've decided this is going to my year, in terms of working out. I bought a Specialized Air Tool Comp Floor Pump and have a TREK 7200. Obviously not having ridden in while, the tires are a little low. I've never used a bike pump, so I assumed the handle would go all the way down when I pushed down, but it stops about halfway down. Am I doing something wrong, or is this how it's supposed to work? Any help is greatly appreciated.

chipcom 02-20-07 08:49 PM

That's usually an indication that the valve on the tube isn't engaged...no air is getting into the tire. What kind of valves...the thicker Shrader valves, like on a car, or the skinny presta valves? If a presta, you need to unscrew the valve head as far as it will go...then, what I do, is slicker it up with a little saliva, then depress it to break the seal and let a short burst of air out before I put the pump head on it.

dynodonn 02-20-07 08:50 PM

Quote:

Originally Posted by alohaboy
Okay, it's been a while since I've been on the bike, but I've decided this is going to my year, in terms of working out. I bought a Specialized Air Tool Comp Floor Pump and have a TREK 7200. Obviously not having ridden in while, the tires are a little low. I've never used a bike pump, so I assumed the handle would go all the way down when I pushed down, but it stops about halfway down. Am I doing something wrong, or is this how it's supposed to work? Any help is greatly appreciated.

Make sure the pump connection that attaches to the valve stem is completely depressing the valve core. You may have to hold the valve stem with with one hand and firmly push down on the pump connection while flipping the pump connection lever at the same time.

RonH 02-21-07 09:56 AM

1 Attachment(s)
Quote:

Originally Posted by dynodonn
You may have to hold the valve stem with with one hand and firmly push down on the pump connection while flipping the pump connection lever at the same time.

+1

alohaboy 02-21-07 05:17 PM

Thanks guys. I'm not really sure what the problem was. I must have been doing something different when I tried before, but it worked today.


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