The Trek Speed Concept 9.9 Project One with a Shimano Di2 drivetrain is a high-end aerodynamic race bike built for riders who want maximum efficiency and sustained speed over long efforts, featuring a fully integrated carbon frame designed to minimize drag while maintaining stiffness for consistent power output. Its geometry supports an aggressive, forward riding position with stable handling at high speeds, making it well suited for race-day performance and precise pacing. The Project One customization adds a unique, personalized finish, while the electronic shifting delivers smooth, reliable performance in a clean, integrated setup focused on speed and aerodynamics.