This super light Specialized Tarmac Pro 52cm has

Ultegra Di2 11 speed shifters, front derailleur, and rear derailleur

Ultegra 170mm crankset with 50/32 chainrings and Stages Powermeter

Rainbow Chain 11 spd

11-30 cassette

Roval CL40 Carbon Wheels

Continental GP 5000 Tires

Liv Contact SL Saddle

Specialized Aluminum handlebars

Ultegra rim brakes

Bontrager Carbon Seat Post