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Bike Forums (https://www.bikeforums.net/forum.php)
-   Singlespeed & Fixed Gear (https://www.bikeforums.net/singlespeed-fixed-gear/)
-   -   Broken Presta valve (https://www.bikeforums.net/singlespeed-fixed-gear/613580-broken-presta-valve.html)

Scrodzilla 01-09-10 11:38 AM
Everyone's weight varies but it averages around 45,000 psi.

PlatyPius 01-09-10 11:42 AM
Originally Posted by carleton (Post 10245938)
Not at any bike shop, no. They are 94 cents + tax ($1.00) at my shop, and several others in the area.

elTwitcho 01-09-10 12:41 PM
Originally Posted by rogwilco (Post 10246905)
How much does the pressure in the tires change with the rider sitting on the bike/not sitting on it anyway?
I imagine that depends on things like tire volume, how stiff the sidewalls of the tire are and the like, but I'd be pretty confident that the answer is not a significant amount at all

TejanoTrackie 01-09-10 12:51 PM
Originally Posted by rogwilco (Post 10246905)
How much does the pressure in the tires change with the rider sitting on the bike/not sitting on it anyway?
It's inversely proportional to the cube root of the Q-factor.


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