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Old 06-30-11, 09:40 PM
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Carbonfiberboy 
just another gosling
 
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Join Date: Feb 2007
Location: Everett, WA
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It's hard to make out what you are interested in from your post. Do you want to train to perform better at altitude, like climbing or biking over passes? Or are you trying to modify your whatever so you can perform better near sea level?
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