Slice Through the Wind! This racing machine ROCKS- Best-in-class aerodynamics plus sharp yet stable handling on the road. You get it all with Propel Advanced. Engineered with AeroSystem Shaping Technology and Advanced-grade composite, this race-ready rocketship delivers lightweight performance and a stiff chassis for sprinting. The Vector seatpost offers wide-ranging adjustability with minimal drag. An OverDrive steerer tube and PowerCore bottom bracket help improve its sharp handling and pedaling efficiency-the perfect combo when you’re at the front of the pack. Components include the High-performance Advanced-grade composite frame, Advanced-grade composite fork with alloy/composite hybrid OverDrive steerer, Giant PA-2 Aero rims, Giant Performance Tracker hubs, Sapim Race spokes, Shimano 105 11-speed drivetrain and Giant SpeedControl SL brakes. Size: L. Come enjoy a free test ride on this rocket!