Unleash your sprint with 200 meters to go. Close a gap, chase back, launch a solo attack. This new aero road machine is made for the moments that count. More aero, more adjustable, more ways to win.**Integrated aerodynamics**- AeroSystem Shaping, a result of CFD analysis and dynamic wind-tunnel testing, optimises aerodynamic performance at every yaw angle. The truncated ellipse airfoil tube shapes produce outstanding overall aero performance.**Easier adjustability**- All-new cable routing through the handlebar and frame makes it quicker and easier to adjust or change cockpit components and fine-tune performance and riding position.**Race-winning efficiency**- Advanced SL-grade composite frameset features Giant’s pro-level composite materials and manufacturing processes. The result is 225 grams of weight savings compared to the previous generation and an even greater stiffness-to-weight advantage.**Technologies**- **Advanced SL Composite Technology** - Professional Grade raw carbon fiber is woven in our composite factory to produce our lightest, stiffest, and highest quality frames. This is the technology used by Giant’s pro racers in almost every cycling discipline.- **AeroSystem Shaping Technology** - Through CFD (Computational Fluid Dynamics) and wind-tunnel data, engineers optimise each tube shape to deliver superior aerodynamic performance.- **OverDrive Aero** - Found inside the head tube of the Propel and Defy ranges, the D-shaped fork steerer tube and corresponding spacers provide an extremely aerodynamic, easier to service system of internally routed brake and derailleur cables.