Giant Defy Advanced Ui2 Road Bike

With effortless efficiency and quiet compliance, this lightweight endurance road machine helps you ride stronger and longer. The composite frame and purpose-built components smooth out rough roads and minimize fatigue.

Features

• FUNCTIONAL SIMPLICITY: Free of cumbersome gimmickry, the frameset is one of the lightest in its category. With a perfect balance of high-performance reactivity and all-day comfort, it offers a “less is more” experience for modern endurance road riding.
• ENGINEERED COMPLIANCE: Advanced-grade composite frame and fork are specifically engineered for endurance road riding, delivering a smooth and efficient ride quality that minimizes fatigue on long rides. The new D-Fuse components work together to further absorb road shocks and vibrations.
• TOTAL CONTROL: New Contact D-Fuse handlebar features ergonomic shaping and an 8-degree flare for comfort and control on all-day rides. Wide, alloy rims are optimized for high-volume tubeless tires (up to 38mm), providing predictable handling and stability from asphalt to cobbles.
• Techs & Features: Advanced Composite Technology: Giant’s High Performance Grade raw carbon material is used to produce this custom frame material in our own composite factory with a 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.
• D-Fuse Technology: The D-Fuse seatpost and handlebar were designed to function as a system, absorbing road shocks and vibrations so you can ride farther, faster.: Read more
• 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 forever. A downward sloping toptube (from the headtube to the seattube) creates smaller front and rear triangles for a lighter, stiffer bike. It also makes it easier for riders of all sizes to have a perfect fit.
• 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.: Read more
• Sizing Guide and Geometry: Sizing to be used as a reference only. Please check with a local authorized dealer to determine the correct size.
• Available sizes may vary from country to country.

Specifications

• Sizes: XS, S, M, ML, L, XL
• Colours: Tempest Purple
• Frame: Advanced-Grade Composite, 12x142mm thru-axle
• Fork: Advanced-Grade Composite, Full-Composite OverDrive Steerer, 12x100mm thru-axle
• Handlebar: Contact SL D-Fuse XS: 410/380, S 410/380, M: 430/400, ML: 430/400, L: 450/420, XL: 450/420
• Grips: Stratus Lite 3.0
• Stem: Giant Contact AeroLight XS: 80, S: 90, M: 100, ML: 100, L: 110, XL: 110
• Seatpost: Giant D-Fuse Composite Offset 14mm
• Saddle: Giant Approach
• Shifters: Shimano Ultegra Di2 HRD
• Front Derailleur: Shimano Ultegra Di2
• Rear Derailleur: Shimano Ultegra Di2
• Brakes: Shimano Ultegra Di2 HRD, Shimano RT-CL700, [F]160[R]160
• Brake Levers: Shimano Ultegra Di2 HRD
• Cassette: Shimano CS-R8100, 11X34
• Chain: KMC X12L-1
• Crankset: Shimano Ultegra (R8100), 34/50 XS: 165, S: 165, M: 170, ML: 170, L: 172.5, XL: 172.5
• Bottom Bracket: Shimano, PressFit
• Rims: Giant SLR 2 40 Carbon Disc Wheel System
• Hubs: [F] Giant Alloy Hub, CenterLock, 12mm thru-axle, [R] Giant Alloy Hub, 3-pawl driver, CenterLock, 12mm thru-axle
• Spokes: Sapim
• Tyres: Giant Gavia Fondo 0 Tubeless, 700x32c (33.5mm effective), 170 TPI, Folding
• Extras: tubeless prepared, 40mm max tire size
• Max Tyre Clearance: 40mm
• Weight: The most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All our bikes are designed for best-in-class weight and ride quality.

Size Chart