Engineered for real-world performance, even on rough roads and the longest days. The Advanced-grade composite frame features endurance geometry with the perfect blend of light weight, stiffness and road-smoothing compliance. The OverDrive 2 steerer tube and full composite fork work together to boost front-end stiffness and precision. New disc brake technology and the vibration-damping D-Fuse seatpost enhance control and comfort. And the PowerCore bottom bracket turns every pedal stroke into positive forward motion, helping you stay strong all the way to the finish.