BMC Roadmachine 01 THREE (51cm) Shimano Ultegra Di2 Drivetrain DT Swiss ERC 1400 Dicut Wheelset ICS2 Integrated Cockpit Design and Premium Carbon D-Shape Seatpost The extraordinarily capable Roadmachine 01 combines relentless speed with indulgent comfort, so you can go further, faster. Its Premium Carbon frame and fork were designed using TCC Endurance technology, and feature ICS technology, Stealth Cable Routing and a Premium Carbon D-Shape seatpost. Our ICS2 stem and RCB01 compact carbon handlebar complement a build that includes Shimano’s Ultegra Di2 12-speed compact groupset, and 45mm DT Swiss ERC 1400 Dicut wheels with 28mm tires.