The TCR Advanced Pro is engineered for superior climbing capabilities, aerodynamics efficiency, sheds weight without sacrificing its best-in-class stiffness. Legendary Compact Road race geometry with aggressive riding positioning and new thru-axles improve overall handling. The Advanced-grade Composite frame, and Front fork in full Composite OverDrive 2 Steerer 1-1/4” 1-1/2” with increased tires clarence, also features the MegaDrive oversize downtube, the stiff-efficient PowerCore bottom bracket, the Variant seatpost adds to its smooth, efficient ride quality and performance, stiff, light weight and low rolling resistance Giant SLR-1 42 Carbon Disc WheelSystem, Shimano Ultegra R8150 12speed transmission, Ultegra R8170 Hydraulic disc brake 160mm rotor [F] -140mm [R], 52/36 Crank and 11/30 Cassette.