Giant Defy Advanced 1

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Choose the longer route and climb higher mountains with the Giant Defy Advanced 1 endurance road bike.

  • Engineered compliance: The Advanced Composite frame is designed for endurance road riding. The D-Fuse seatpost and handlebar absorb road shocks and vibrations, providing a smooth ride quality for reduced fatigue on long rides.
  • Total control: Seamless disc brake integration with flat mounts and 12mm front and rear thru-axles offer consistent braking power for better control, especially in wet weather and on rough roads.
  • Versatility: Enjoy the endurance road geometry, ample tire clearance (up to 35mm), and disc-brake integration, allowing you to tackle various road conditions from smooth pavement to rugged mountain passes.


  • Advanced Composite Technology: Giants High-Performance Grade carbon material produces a custom frame with high stiffness-to-weight ratio, ensuring a sturdy structure. The assembly of the front triangle is done as one continuous piece through Modified Monocoque Construction.
  • D-Fuse Technology: The D-Fuse seatpost and handlebar work as a system to absorb road shocks and vibrations, enabling you to ride longer and faster.
  • OverDrive: Giants oversized fork steerer tube technology provides precise front-end steering performance. The oversized headset bearings and tapered steerer tube ensure optimal steering stiffness.
  • Compact Road Design: Introduced by Giant in the 1990s, this design features a downward-sloping toptube for smaller front and rear triangles. This creates a lighter, stiffer bike and improves the fit for riders of all sizes.
  • Tubeless System: Giants Tubeless System reduces flat tires, increases traction, lowers rolling resistance, and offers a smoother, faster ride experience.

Sizes S, M, M/L, L, XL
Colours Orion Nebula
Frame Advanced-Grade Composite, 12x142mm thru-axle
Fork Advanced-Grade Composite, Full-Composite OverDrive Steerer, 12x100mm thru-axle
Shock N/A
Handlebar Giant Contact SL D-Fuse S:40cm, M:42cm, M/L:42cm, L:44cm, XL:44cm
Grips Stratus Lite 3.0
Stem Giant Contact S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
Seatpost Giant D-Fuse, composite, 14mm offset
Saddle Giant Approach
Shifters Shimano 105 Di2 2x12
Front Derailleur Shimano 105 Di2
Rear Derailleur Shimano 105 Di2
Brakes Shimano 105 Di2 hydraulic disc brakes, Tektro 160 [F]/140 [R] rotors
Brake Levers Shimano 105
Cassette Shimano 105, 12-speed, 11x34
Chain KMC X12
Crankset Shimano FC-RS520, 34/50 S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm
Bottom Bracket Shimano, press fit
Rims Giant P-R2 Disc Wheelset (22mm inner rim width)
Hubs Giant alloy, 12mm thru-axle
Spokes Sapim
Tyres Giant Gavia Fondo 1 Tubeless, 700x32c, (effective width 33.5mm) 60 tpi, Folding
Extras Factory tubeless set up including sealant, 35mm max tyre size
Fender/Chainguard Compatible with RGX 38 fender (sold separately)
Colours Orion Nebula
Sizes L - (700C WHEEL), ML - (700C WHEEL)
Brand Giant
Model Year 2023
Barcodes 4712878869011, 4712878869028, 4712878869035, 4712878869042, 4712878869059
SKUs / Part Numbers 2310062104, 2310062105, 2310062106, 2310062107, 2310062108

Please note: Manufacturers can sometimes change the specification of the products from time to time.

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