Giant Defy Advanced-Ui2 2027 Road Bike

SKU: 9031039105

£3,999.00

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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.

Key Performance Factors

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 rims are optimised for high-volume tubeless tyres (up to 40mm), providing predictable handling and stability from asphalt to cobbles.

Sizes XS, S, M, ML, L, XL
Colours Satin 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 tyre 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.