A look at some of the speedy bikes from the Challenge Championship

Charles\' Specialized S-Works Shiv features lots of aero hydration - there\'s a bladder inside the frame. The dual-compartment fuel cel provides storage for a spare tire/ tube in the bottom and space for food at the top.

Charles' Specialized S-Works Shiv features lots of aero hydration - there's a bladder inside the frame. The dual-compartment fuel cel provides storage for a spare tire/ tube in the bottom and space for food at the top.

Photo >Kevin Mackinnon

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