Stem: *Zipp Service Course SL 110mm +/-17 141g
Seatpost: *FSA SL-K 200g
Seatpost collar: OEM Cervelo 16g
Saddle: Fizik Antares VS Carbon 182g
Cranks: Ultegra 6800 165mm 488g
Big Ring: *Ultegra 6800 52T 117g
Small Ring: *Ultegra 6800 36T 34g
Chainring Bolts: *Ultegra 6800 bolts (4x) 6g
Bottom Bracket: Wheels Mfg. Ceramic BBRight Outboard Zero Shimano 24mm
Wheels: Fulcrum Racing Quattro DB 40mm
Tires: *Vittoria Corsa G+ 25mm
Tubes: Continental Race 20-25 60mm valve
Cassette: *Ultegra 6800 11-28 cassette 242g
Disc Rotors: Shimano RT99 140mm
Pedals: *Shimano PD-A600 pedals 227g
Bottle Cages: Specialized Zee II (non-carbon) bottle cages with bolts (2x) 38g, 43g
GPS: Wahoo Elemnt Bolt 61g; aero mount 25g; Wahoo RPM Speed sensor 16g
I have to apologize in advance as I didn't record any of the component's weight. The rest of the components from Cervelo:

With the Wahoo Elemnt Bolt + mount + speed sensor and Garmin cadence sensor installed, the entire bike weighs 8.07 kg (17.8 lb).

Edit: Update 06/09/2017
The build as is sitting at 7.8kg (17.2lbs).
Changed to:
Big Chainring: Absolute Black Premium Oval 50T 120g
Small Chainring: *Absolute Black Winter Oval 34T 40g --> Absolute Black Premium 36T 36g
Chainring Bolts: Absolute Black long bolts (4x) 9g
Pedals: PowerTap P1 pedals with Energizer Ultimate Lithium AAA installed 425g
Tires: Schwalbe One V-Guard Folding Clincher 28mm (2x) 250g + 253g




Edit: Update 06/24/2017
Ultegra 6800 11-28 cassette 242g
105 5800 12-25 cassette 262g
Cassette: Final hybrid 5800/6800 12-28 (12 and 16 cogs from 5800 to replacing 6800 11 and 12) 255g
Edit: Update 07/06/2017
Stem: Kalloy Uno +/-7 120mm & Fairwheel Ti bolts 109g
Mash SF Aperture 5mm spacers (2x) 7g
OEM Cervelo 5mm spacer 4g
Absolute Black Top Cap 5g
Seatpost: Woodman Carbo EL 27.2 350mm 123g
Total with Wahoo Elemnt Bolt: 8.6kg
[*] denotes component has been replaced.