Main SpecsFrame: Advanced-Grade Composite, 12X142Mm Thru-Axle, DiscFork: Advanced Sl-Grade Composite, Full-Composite Overdrive Aero Steerer, 12X100Mm Thru-Axle, DiscGroupsetDerailleur: Shimano 105 Di2 Fd-R7150Rear Derailleur: Shimano 105 Di2 Rd-R7150Shifters: Shimano 105 Di2Cranks: Shimano 105, 36/52 With Giant Power Pro Power Meter Xs:170Mm, S:170Mm, M:172.5Mm, M/L:172.5Mm, L:175Mm, Xl:175MmCassette: Shimano 105, 12-Speed, 11X34Front Brake: Shimano 105 Di2 Hydraulic, Shimano Sm-Rt70 Rotors [F]160Mm, [R]140MmRear Brake: Shimano 105 Di2 Hydraulic, Shimano Sm-Rt70 Rotors [F]160Mm, [R]140MmChain: Kmc X12L-1Bottom Bracket: Shimano, Press FitWheelsRims: Giant Slr 1 40 Wheelsystem, [F]40Mm, [R]40MmTires: Giant Gavia Course 0, Tubeless, 700X28, FoldingComponentsHandlebar: Giant Contact Sl 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