2025
2025 Cannondale Synapse Carbon
The 2025 Cannondale Synapse Carbon sits more upright than most road bikes, with a slacker head angle. Reach 366 to 402 mm, stack 510 to 640 mm. The Synapse Carbon 1 build comes with Shimano Ultegra R8150 Di2 shifting and Reserve 42/49 wheels.
Source: cannondale.com. Checked .
Key facts
- Brand
- Cannondale
- Model
- Synapse
- Model year
- 2025
- Frame
- Carbon
- Type
- Road
- Geometry labels
- 44.0, 48.0, 51.0, 54.0, 56.0, 58.0, and 61.0
- Drivetrain
- Varies by build
- Fork
- Synapse
- Wheels
- Varies by build
- Geometry
- Complete for every size
- Checked
Geometry by size
| Measurement | 44.0 | 48.0 | 51.0 | 54.0 | 56.0 | 58.0 | 61.0 |
|---|---|---|---|---|---|---|---|
| Reach(mm) | 366 | 371 | 376 | 381 | 387 | 393 | 402 |
| Stack(mm) | 510 | 530 | 550 | 570 | 590 | 610 | 640 |
| Head tube angle(°) | 69.8 | 70.9 | 71.3 | 71.3 | 71.3 | 71.3 | 71.3 |
| Seat tube angle(°) | 73 | 73 | 73 | 73 | 73 | 73 | 73 |
| Effective top tube(mm) | 522 | 533 | 544 | 555 | 567 | 580 | 598 |
| Chainstay length(mm) | 425 | 425 | 425 | 425 | 430 | 430 | 430 |
| Wheelbase(mm) | 1003 | 1005 | 1013 | 1026 | 1044 | 1058 | 1077 |
| BB drop(mm) | 75 | 75 | 75 | 73 | 73 | 70 | 70 |
| BB height(mm) | 278 | 278 | 278 | 280 | 280 | 283 | 283 |
| Standover(mm) | 714 | 722 | 752 | 785 | 815 | 843 | 878 |
| Seat tube length(mm) | 407 | 407 | 443 | 480 | 520 | 550 | 590 |
| Fork length(mm) | 393 | 393 | 393 | 393 | 393 | 393 | 393 |
| Head tube length(mm) | 91 | 108 | 127 | 150 | 171 | 196 | 227 |
Stock build
Synapse Carbon 1
Frame
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Synapse Carbon 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
Synapse Carbon 2
Frame
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Synapse Carbon 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
Synapse Carbon 4
Frame
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Synapse Carbon 4 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
Synapse Carbon 5
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Synapse Carbon 5 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
MManufacturer
Quick answers
- Which size or configuration labels have geometry for the 2025 Cannondale Synapse Carbon?
- Geometry is listed for 44.0, 48.0, 51.0, 54.0, 56.0, 58.0, and 61.0.
- What are the reach and stack of the 2025 Cannondale Synapse Carbon in size 54.0?
- In size 54.0, reach is 381 mm and stack is 570 mm.
- What is the head tube angle of the 2025 Cannondale Synapse Carbon?
- The head tube angle is 71.3 degrees in size 54.0.
- What does the 2025 Cannondale Synapse Carbon 1 ship with?
- The stock build includes Cannondale Synapse Hi-MOD, Shimano Ultegra R8170 Di2, Reserve 42/49, and Shimano Ultegra R8170.
- Which years of the Cannondale Synapse are on Quiver?
- Quiver has the Cannondale Synapse for 2025, 2021, 2020, 2019, 2016, and 2015.
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