2025
2025 Giant Defy Advanced
The 2025 Giant Defy Advanced 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 0 build comes with Shimano 105 Di2 shifting and Giant SLR 2 36 wheels.
Source: giant-bicycles.com. Checked .
Key facts
- Brand
- Giant
- Model
- Defy
- Model year
- 2025
- Frame
- Advanced
- Type
- Road
- Geometry labels
- XS, S, M, ML, L, and XL
- Drivetrain
- Shimano 105 Di2
- Wheels
- Varies by build
- 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 |
Requested. Requests decide what we research next.
Stock build
Defy Advanced 0
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Defy Advanced 0 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
Defy Advanced 1
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Defy Advanced 1 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
Defy Advanced 2
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Defy Advanced 2 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
✓Sources agreeMManufacturer
Quick answers
- Which size or configuration labels have geometry for the 2025 Giant Defy Advanced?
- Geometry is listed for XS, S, M, ML, L, and XL.
- What are the reach and stack of the 2025 Giant Defy Advanced 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?
- The head tube angle is 72.5 degrees in size ML.
- What does the 2025 Giant Defy Advanced 0 ship with?
- The stock build includes Giant Defy, Giant Advanced-Grade Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc, Shimano 105 Di2, and Giant SLR 2 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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