The 2021 Trek Speed Concept Dura-Ace Di2 Project One is a wind-cheating triathlon and time trial bike built for pure speed. Its aerodynamic carbon frame is shaped through extensive wind tunnel testing, with integrated storage solutions and hidden cabling to keep the profile clean. Shimano’s Dura-Ace Di2 electronic drivetrain delivers flawless, precise shifting, while the fully adjustable cockpit allows for a personalized aero fit. Designed for maximum efficiency against the clock, the Speed Concept blends cutting-edge aerodynamics with rider-focused customization for peak performance on race day.