Superlight, ultra-efficient and rides like a dream. This well-rounded race bike by Giant blends industry-leading composite frame engineering with fully integrated components to help you climb, corner and descend with astonishing speed and sublime road handling.

SYSTEM OPTIMISATION

• The frameset, wheels, cockpit and other parts are engineered, developed and tested together to perform as a system.
• The all-new OverDrive Aero steerer tube technology is combined with a Contact SL AeroLight stem and Contact SL handlebar.
• Internal cable routing integrates the top cap, cables and spacers in a more aerodynamic, user-friendly setup.

WINNING EFFICIENCY

• Featuring a greater stiffness-to-weight ratio than the previous generation.
• New aero tube shaping and a lighter overall weight deliver explosive acceleration and unyielding pedalling stiffness.
• Race-winning performance in the moments that count.

INTEGRATED AERODYNAMICS

• All tube shapes are engineered and developed using Computational Fluid Dynamics (CFD) modelling and wind-tunnel testing.
• New cockpit design and component integration create a more streamlined profile that improves overall aero performance.

Technologies

Advanced Composite Technology

• Giant’s High-Performance Grade raw carbon material produces a custom frame material with high stiffness-to-weight ratio.
• The front triangle of these framesets is assembled and molded as one continuous piece in a proprietary manufacturing process called Modified Monocoque Construction.

Compact Road Design

• Introduced by Giant with the professional Team ONCE in the 1990s, Compact Road revolutionized the look and feel of high-performance road bikes.
• A downward sloping toptube creates smaller front and rear triangles for a lighter, stiffer bike.
• Makes it easier for riders of all sizes to have a perfect fit.

OverDrive Aero

• Found inside the head tube of the Defy, Propel and TCR 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.

Tubeless System

• Fewer flat tires, greater traction, less rolling resistance and a smoother, faster ride.
• Giant’s Tubeless System makes it easier than ever to experience all these benefits.