The most efficient race bikes have the perfect balance of light weight, stiffness and smooth compliance on the road. The TCR Advanced delivers on all three, making it a versatile performer for competitive road riders. The Advanced-grade composite frame manages to shave every gram possible, while retaining pedal-stomping stiffness. The OverDrive steerer system and MegaDrive downtube are engineered for the precise handling so you can rail corners at speed. And the Variant seatpost is engineered for an ideal blend of efficiency and compliance so you stay fresh until the finish on those big days in the saddle. Shimano 105-5800 group set 11-speed with Compact 50/34 Crank and Giant PR-2 WheelSystem.