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, 36/5 With Giant Power Pro Power Meter Xs:165Mm, S:165Mm, M:170Mm, M/L:170Mm, L:172.5Mm, Xl:172.5MmCassette: 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 Road Race Gc, Tubeless, 700X30Mm, FoldingComponentsHandlebar: Giant Contact Slr Xs:420/370Mm, S:420/370Mm, M:440/390Mm, M/L:440/390Mm, L:440/390Mm, Xl:440/390MmStem: 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