Weight 7.58 Kg Transmission Rear derailleur Shimano Ultegra Di2 RD-R8150-SS 24 Speed Electronic Shift System Front derailleur Shimano Ultegra Di2 FD-R8150 Electronic Shift System Derailleur levers Shimano Ultegra ST-R8170 24 Speed Electronic Shift System Crankset Shimano Ultegra FC-R8100 Hollowtech II 50x34 T Bottom bracket Shimano SM-BB72-41B Chain Shimano Ultegra CN-M8100-12 Cassette Shimano Ultegra CS-R8100-12 11-30T Brakes Shimano BR-R8170 Hyd.Disc Wheelset Syncros Capital 1.0 35 Disc 24 Front - 24 Rear Syncros Axle w-Removable Lever with Tool