Product description Features: Frame: Advanced-Grade Composite Fork: AeroDrive Tri, Advanced-grade composite, Hybrid Steerer Drivetrain: Shimano Ultegra Di2 22 speed Brakes: Giant SpeedControl SL Wheels: Giant P-A2 Wheel Set The Giant Trinity Advanced Pro 1 2017 Features are: Frame: Advanced-Grade Composite Fork: AeroDrive Tri, Advanced-grade composite, Hybrid steerer Bars: Giant Trinity Composite Base Bar Stem: Trinity Alloy Speed: 22 Front Mech: Shimano Ultegra Di2 Rear Mech: Shimano Ultegra Di2 Shifters Shimano SW-9071 Di2 Chainset: Shimano Ultegra 36/52 Bottom Bracket: Shimano BB-71 press fit Cassette: Shimano Ultegra 11x28 Chain: KMC X11SL-1 Front Brake: Giant SpeedControl SL Rear Brake: Giant SpeedControl SL Rims: Giant P-A2 Wheel Set Front Hub: Giant Performance Tracker Road, Sealed Bearing Rear Hub: Giant Performance Tracker Road, Sealed Bearing Spokes: Sapim Race Tyres: Giant P-SL2, Flat Guard, Front and Rear Specific, 700x25mm Front - Giant P-SL2, Flat Guard, Front and Rear Specific, 700x25mm Rear Seatpost: Trinity Composite Pedals: Not Included