Specification: * Frame: Advanced-grade composite w/triple-butted tubing for lightweight strength * Wheels: High-quality Mavic wheels w/aerodynamic design for improved speed * Suspension: Advanced-grade composite seatpost w/adjustable compression damping for a smooth ride * Brakes: High-quality Shimano brakes for reliable stopping power * Gearing: Shimano 105 11-speed drivetrain for smooth shifting and reliable performance The Giant Defy Advanced 2 Road Bike is a high-performance bike designed for endurance riding. With its lightweight advanced-grade composite frame, aerodynamic wheels, and advanced suspension system, this bike is built for speed and comfort. The Shimano 105 11-speed drivetrain provides smooth shifting and reliable performance, while the high-quality Mavic wheels offer improved aerodynamics. Whether you're racing or just enjoying a long ride, the Giant Defy Advanced 2 is the perfect choice.