Main SpecsFrame: Advanced-Grade Composite, 12X142Mm Thru-Axle, DiscFork: Advanced Sl-Grade Composite, Full-Composite Overdrive Aero Steerer, 12X100Mm Thru-Axle, DiscGroupsetDerailleur: Shimano Ultegra Di2 Fd-R8150Rear Derailleur: Shimano Ultegra Di2 Rd-R8150Shifters: Shimano Ultegra Di2Cranks: Shimano Ultegra, 36/52 With Giant Power Pro Power Meter Xs:170Mm, S:170Mm, M:172.5Mm, M/L:172.5Mm, L:175Mm, Xl:175MmCassette: Shimano Ultegra, 12-Speed, 11X34Front Brake: Shimano Ultegra Di2 Hydraulic, Shimano Rt-Cl800 Rotors [F]160Mm, [R]140MmRear Brake: Shimano Ultegra Di2 Hydraulic, Shimano Rt-Cl800 Rotors [F]160Mm, [R]140MmChain: Shimano Cn-M8100Bottom Bracket: Shimano, Press FitWheelsRims: Giant Slr 0 40 Wheelsystem, [F]40Mm, [R]40MmTires: Cadex Race Gc, Tubeless, 700X25C (28Mm), FoldingComponentsHandlebar: Giant Contact Slr Xs:39/40Cm, S:39/40Cm, M:39/42Cm, M/L:39/42Cm, L:41/44Cm, Xl:41/44CmStem: Giant Contact Sl Aerolight Xs:80Mm, S:90Mm, M:100Mm, M/L:110Mm, L:110Mm, Xl:120MmSaddle: Giant Fleet SlSeatpost: Giant Variant, Composite, -5/+15Mm Offset