2022 new SAVA electronic shifting carbon road bike Di2 R8170 24speed

T1000 carbon fiber frame,fork,handlebar,seatpost,wheels,spokes,saddle Superlight,it only weighs 6.88kg(15.16lbs) Internal Cable Routing Design Integrated handlebar Aerodynamic frame，handlebar SHIMANO Ultegra R8170 Di2 2x12 Groupset Hydraulic Disc Brake Battery mounting internally in the seatpost, running time approx. 1000 km STIs for wired electronic shifting Front derailleur with more compact design than previous model, connected to battery via cable Rear derailleur with wireless chip, LED display, charging socket and function button, connected to battery via cable Semi-wireless setup Bluetooth connection 700*25C wheels