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Pro bike: Kim Kirchen’s Team Columbia Giant TT Prototype, July 25, 2008

Kim Kirchen's Giant time trial bike
Photo ©: Ben Atkins
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The slender top tube intersects
Photo ©: Ben Atkins
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Huge amounts of carbon around the bottom bracket
Photo ©: Ben Atkins
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The seat tube closely profiles the rear disc wheel
Photo ©: Ben Atkins
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The rear end of the prototype frame
Photo ©: Ben Atkins
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Straight aero seat stays
Photo ©: Ben Atkins
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Kirchen's down tube is deep but slender
Photo ©: Ben Atkins
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The huge head tube area
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Giant has built its own
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… that features a huge wedge-shaped
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Kirchen's handlebar setup
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… but from the front
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Cables pass through the front wedge
Photo ©: Ben Atkins
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Besides the entirely bespoke bar and stem system
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The rear brake is hidden
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Team Columbia is sponsored by Shimano
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Kirchen's Dura-Ace chainset
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The Dura-Ace rear derailleur
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An 11-21T cassette is all Kirchen needed
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As is almost obligatory in the peloton
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22mm-wide Schwalbe Ultremo tubulars
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Kirchen is the champion of Luxembourg
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The innovative front end design
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