Exactly.This article says Steve Smith was running two valve stems during his victory this past weekend...
http://www.pinkbike.com/news/devinci-wilson-carbon-steve-smith-interbike-2012.html
We're not comparing ourselves to pros here. They need it for the reasons I stated. Because they blow **** up. That was the question and it has been answered, not 'why do we need it', because we probably don't.
Here's PB's POD. Something probably more than a few of us 200lb+ guys have done
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