Giant Defy Advanced Pro 1 2025

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 minimises 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, hookless carbon rims (22.4mm inner width) are optimised for high-volume tubeless tyres (up to 38mm), and a 36mm rim depth offers stable, predictable handling in crosswinds.

• Sizes
  XS, S, M, M/L, L, XL
• Colours
  Meteor Storm
• Frame
  Advanced-Grade Composite, 12x142mm thru-axle, disc
• Fork
  Advanced SL-Grade Composite, full-composite OverDrive Aero steerer, 12x100mm thru-axle, disc
• Handlebar
  Giant Contact SL D-Fuse XS:40/42cm, S:40/42cm, M:42/44cm, M/L:42/44cm, L:44/46cm, XL:44/46cm
• Grips
  Stratus Lite 3.0
• Stem
  Giant Contact SL AeroLight XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
• Seatpost
  Giant D-Fuse SL, composite, -5/+15mm offset
• Saddle
  Giant Fleet SL
• Pedals
  N/A
• Shifters
  SRAM Rival eTap AXS
• Front Derailleur
  SRAM Rival eTap AXS
• Rear Derailleur
  SRAM Rival eTap AXS
• Brakes
  SRAM Rival eTap AXS hydraulic, SRAM Paceline rotors [F]160mm, [R]160mm
• Brake Levers
  SRAM Rival eTap AXS hydraulic
• Cassette
  SRAM Rival, 12-speed, 10x36
• Chain
  SRAM Rival D1
• Crankset
  SRAM Rival DUB, 33/46 with Giant Power Halo power meter XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm
• Bottom Bracket
  SRAM DUB, press fit
• Rims
  Giant SLR 1 36 Carbon Disc WheelSystem
• Hubs
  [F] Giant Low Friction Hub, CenterLock, 12mm thru-axle, [R] Giant Low Friction Hub, 30t ratchet driver, CenterLock, 12mm thru-axle
• Spokes
  Sapim
• Tires
  Giant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding
• Extras
  Computer mount, water bottle cages, tubeless prepared, 38mm max tyre size
• 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.