Front derailleur
Shimano Ultegra Di2 R8050
Rear derailleur
Shimano Ultegra Di2 R8050
Wheels
Giant SLR 1 Carbon Laufrad-System, Dynamic Balanced Lacing, 42mm Clincher Vollcarbon-Felge, ETRTO 17-622
Seatpost
Giant Variant Advanced Carbon
Stem
Giant Contact SL OverDrive2, ±8°, 31.8
Handlebar
Giant Contact SL, 31.8