Argon 18 Gallium Pro 54cm, rim brake

Argon 18's flagship rim brake road bike. Featherlight - just under 15.5lbs with the 1550g training clinchers I'm selling it with - closer to 14.5lbs with a light set of race wheels on there.  You're not gonna find a disc bike anywhere near as light.
Frame: Argon 18 Gallium Pro
Fork: Argon 18 Gallium Pro
Seatpost: Argon 18 Gallium Pro 27.2 diameter
Headset: Argon 18 Gallium Pro
Saddle: Selle Italia SLR w/manganese rails
Stem: Easton EC70 aluminum 120 mm
Handlebar: Easton EC90 carbon aero bars 420 mm
Crankset: Shimano Ultegra 52-36 chainrings 172.5mm
Cassette: Shimano Ultegra 11-28
Chain: Connex 11 speed with Connex link brand new, just waxed and installed
Front Derailleur: Shimano Ultegra Di2
Rear Derailleur: Shimano Ultegra Di2
Brakes: Dura Ace
Wheels: Carbon clinchers, 40mm
Tires: Vittoria Corsa Graphene 2.0 28mm
Pedals not included