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Old 09-19-12, 03:25 PM
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Join Date: Jan 2010
Location: Central California...I'd say Porterville, but you'd say WHERE???
Posts: 122

Bikes: Cannondale Synapse 5 alloy...Motobecane Ti Fly Team 29er

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When used with a top of the line CF bike, guaranteed to gain you 3 mph...placebo effect said to be negated
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