Frame	Specialized s-works tarmac
Front Fork	Specialized s-works tarmac
Bottom Bracket	Dura Ace
Cranks	Dura Ace
Chainrings	Dura Ace
Pedals	Dura Ace
Front Derailleur	Dura Ace
Chain	Dura Ace
Rear Derailleur	Dura Ace
Cogset	Dura Ace
Hubs	Mavic kyserium SL
Skewers	Mavic kyserium SL
Spokes	Mavic kyserium SL
Rims	Mavic kyserium SL
Tubes	Continental
Tires	Continental
Brakes	Dura Ace
Seatpost	Specialized s-works tarmac
Saddle	Pave
Headset	Specialized s-works tarmac
Stem	Deda Newton
Handlebars	3t prima
Shifters	Dura Ace
Brake Levers	Dura Ace
Bar Tape	cork

David Paddon from Bristol, England writes:

Lightness Vs cost