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2025
Giant Defy Advanced Pro 1
Here’s to long rides. Climb higher mountains, skip the shortcuts. This buttery smooth endurance road bike helps you do more of what you love.
Highlights
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.
Geometry
| S | M | |
|---|---|---|
| Seat Tube Length | S445 | M480 |
| Seat Tube Angle | S74.0° | M73.5° |
| Top Tube Length | S530 | M545 |
| Head Tube Length | S140 | M150 |
| Head Tube Angle | S71.75° | |
| Fork Rake (mm) | S50 | |
| Trail | S63.4 | |
| Wheelbase | S994.4 | |
| Chain Stay Length | S420 | |
| Bottom Bracket Drop | S75 | |
| Stack | S541 | |
| Reach | S374.9 | |
| Stand Over Height | S733 | |
| Stem Length | S90 | |
| Crank Length | S170.0 | |
| Wheel Size | S700C |
Technical specifications
| Size | XS, S, M, M/L, L, XL |
| Colours | Meteor Storm |
| Frame | Advanced-Grade Composite, disc |
| Fork | Advanced SL-Grade composite, full-composite OverDrive Aero steerer, disc |
| Shock | N/A |
| Handlebar | Giant Contact SL D-Fuse XS:40cm, S:40cm, M:42cm, M/L:42cm, L:44cm, XL:44cm |
| 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 |
| 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 CX-Ray |
| 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. |
