Giant Defy Advanced 1 – Endurance Performance with Di2 Precision

The Giant Defy Advanced 1 in Thundercloud is built for riders who want smooth efficiency over long distances with the added precision of electronic shifting. This lightweight endurance road bike delivers comfort, control, and performance to help you ride stronger for longer.

Functional Simplicity

The Giant Defy Advanced 1 features a lightweight Advanced-grade composite frameset designed to eliminate unnecessary complexity. With a refined balance of responsiveness and all-day comfort, it delivers a clean “less is more” riding experience for endurance cyclists.

Engineered Compliance

The composite frame and fork are purpose-built for endurance riding, reducing road vibration and minimising fatigue on long rides. Integrated D-Fuse components work together to absorb shocks and smooth out rough surfaces, improving overall ride quality.

Total Control

The Contact SL D-Fuse handlebar features ergonomic shaping and an 8-degree flare for added comfort and control. Wide alloy rims are optimised for high-volume tubeless tyres, providing stable and predictable handling across a variety of road conditions.

Who’s It For?

The Giant Defy Advanced 1 in Thundercloud is ideal for riders who want a smooth endurance bike with the added benefit of Shimano 105 Di2 electronic shifting. Perfect for long rides, gran fondos, and performance-focused training.

Looking for more options? Browse our full range of
Giant road bikes in Perth.

Key Specifications

Frame: Advanced-grade composite, 12x142mm thru-axle, disc
Fork: Advanced-grade composite, full-composite OverDrive steerer, 12x100mm thru-axle
Groupset: Shimano 105 Di2 12-speed electronic
Crankset: Shimano 105, 34/50T
Cassette: Shimano 105, 11–36T
Brakes: Shimano 105 Di2 hydraulic disc, 160mm front / 160mm rear
Wheelset: Giant P-R1 alloy wheelset
Tyres: Giant Gavia Fondo 0 tubeless 700x32c (up to 38mm clearance)
Handlebar: Giant Contact SL D-Fuse
Seatpost: Giant D-Fuse composite
Saddle: Giant Approach
Extras: Tubeless prepared, endurance geometry
Max Tyre Clearance: 38mm
Colour: Thundercloud / Chrome
Sizes: XS, S, M, M/L, L, XL

Your Local Perth Giant Road Bike Experts

At George’s Bike Shop Balcatta, we stock a premium range of Giant road bikes, including the Giant Defy Advanced 1 and other endurance-focused models. Located near Osborne Park and Morley, our experienced team can help you find the right bike for comfort and long-distance performance.

More Information

Click the ‘Product Specs’ tab above for full geometry and detailed component information.

Visit Giant Bicycles Australia to learn more about the Defy range and endurance road technology.