BMC Timemachine bikes fitted with disc rear wheels and three-spoke front wheels from Shimanoâs Pro sub-brand. BMC Timemachine Road 01 ONE specification Frame: Timemachine Road 01, Aerodynamic 01 Premium Carbon, TCC Speed Fork: Timemachine Road 01, Aerodynamic Premium Carbon Disc, TCC Speed, flat mount with caliper cover, 12mm thru-axle Drivetrain: Shimano Dura-Ace Di2 hydraulic disc, 52/36 with 11-30 cassette Wheelset: DT Swiss ARC 1100 Dicut db 62 Carbon Tyres: Vittoria Corsa 25mm Brakes: Shimano Dura-Ace hydraulic disc, RT-900 160mm/140mm rotors Bar: BMC ICS Aero, aero top shape, compact bend Stem: BMC ICS Aero, integrated Aero cockpit design with computer mount Seatpost: BMC Aero post, 01 Premium Carbon Saddle: Fizik Arione R1 carbon Weight: 7.76kg/17.1lb, 54cm including Aero Module, bottles and GPS mount