2025
2025 Giant Defy Advanced Pro
The 2025 Giant Defy Advanced Pro sits in the middle of the range for road bikes, with a longer rear center. Reach 369 to 402 mm, stack 527 to 615 mm. The Defy Advanced Pro 0 build comes with Shimano Ultegra R8150 Di2 shifting and Giant SLR 1 36 wheels.
Source: giant-bicycles.com. Checked .
Key facts
- Brand
- Giant
- Model
- Defy
- Model year
- 2025
- Frame
- Advanced Pro
- Type
- Road
- Geometry labels
- XS, S, M, ML, L, and XL
- Drivetrain
- Shimano Ultegra R8150 Di2
- Wheels
- Giant SLR 1 36
- Geometry
- Some measurements unavailable
- Source
- giant-bicycles.com
- Checked
Geometry by size
| Measurement | XS | S | M | ML | L | XL |
|---|---|---|---|---|---|---|
| Reach(mm) | 369 | 375 | 380 | 384 (from the manufacturer) | 393 | 402 |
| Stack(mm) | 527 | 541 | 558 | 577 (from the manufacturer) | 596 | 615 |
| Head tube angle(°) | 70.5 | 71.8 | 72.5 | 72.5 (from the manufacturer) | 72.5 | 72.5 |
| Seat tube angle(°) | 74.5 | 74.0 | 73.5 | 73.0 (from the manufacturer) | 73.0 | 73.0 |
| Chainstay length(mm) | 420 | 420 | 420 | 420 (from the manufacturer) | 420 | 420 |
| Wheelbase(mm) | 995 | 994 | 998 | 1010 (from the manufacturer) | 1025 | 1040 |
| BB drop(mm) | 75 | 75 | 75 | 70 (from the manufacturer) | 70 | 70 |
| Standover(mm) | 705 | 733 | 762 | 796 (from the manufacturer) | 814 | 841 |
| Seat tube length(mm) | 410 | 445 | 480 | 515 (from the manufacturer) | 535 | 565 |
| Head tube length(mm) | Not available | Not available | 150 | 175 (from the manufacturer) | 195 | 215 |
✓Sources agreeMManufacturer Not available
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Stock build
19 parts
Frame
Suspension
Giant Advanced SL Composite OverDrive Aero
Drivetrain
Shimano Ultegra DI2
Shimano Ultegra Mid Compact
Wheels & Tires
Giant SLR 1 36
Cadex Classics
Brakes
Cockpit
Giant Contact SLR D-Fuse
Giant Contact SL AeroLight
Lite 3.0
Seatpost & Saddle
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✓Sources agreeMManufacturer
Quick answers
- Which size or configuration labels have geometry for the 2025 Giant Defy Advanced Pro?
- Geometry is listed for XS, S, M, ML, L, and XL.
- What are the reach and stack of the 2025 Giant Defy Advanced Pro in size ML?
- In size ML, reach is 384 mm and stack is 577 mm.
- What is the head tube angle of the 2025 Giant Defy Advanced Pro?
- The head tube angle is 72.5 degrees in size ML.
- What does the 2025 Giant Defy Advanced Pro 0 ship with?
- The stock build includes Giant Defy, Giant Advanced SL Composite OverDrive Aero, Shimano Ultegra R8170, and Giant SLR 1 36.
- Which years of the Giant Defy are on Quiver?
- Quiver has the Giant Defy for 2025, 2027, 2026, 2024, 2023, 2022, and 2021.
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