Cannondale SuperX geometryGravel · 2026 · 5 sizes, from 46 to 61
The Cannondale SuperX is a gravel bike available in 5 sizes, from 46 to 61. Stack ranges from 515 to 615 mm and reach from 365 to 398 mm. Its position sits between racing and endurance. All sizes share 422 mm chainstays. Data from 2026; geometry from 2025, 2024 is also available.
What size SuperX do I need?
Enter the stack and reach of a bike that fits you well and we will tell you which size is closest and how to set it up.
Enter your stack and reach to see which size fits you best.
Geometry chart by size
Measurements in mm and degrees, as published by Cannondale. The ones that matter most for choosing a size are in bold.
| Size | 46 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|
| Stack | 515 | 555 | 575 | 595 | 615 |
| Reach | 365 | 378 | 385 | 392 | 398 |
| Effective top tube | 510 | 540 | 558 | 575 | 594 |
| Actual top tube | 470 | 504 | 521 | 538 | 556 |
| Head tube length | 86 | 132 | 153 | 177 | 198 |
| Head angle | 70.0° | 71.0° | 71.0° | 71.0° | 71.0° |
| Chainstay length | 422 | 422 | 422 | 422 | 422 |
| Wheelbase | 998 | 1,020 | 1,034 | 1,049 | 1,062 |
| Front centre | 588 | 607 | 621 | 636 | 648 |
| BB drop | 77 | 69 | 69 | 67 | 67 |
| BB height | 283 | 290 | 290 | 293 | 293 |
| Fork length | 400 | 400 | 400 | 400 | 400 |
| Fork offset | 55 | 55 | 55 | 55 | 55 |
| Trail | 72 | 65 | 65 | 65 | 65 |
| Standover | 746 | 812 | 832 | 836 | 849 |
| Seat tube (method not stated) | 449 | 524 | 546 | 566 | 589 |
| Seat angle (method not stated) | 74.3° | 73.7° | 73.3° | 72.9° | 72.3° |
Source: Cannondale official website · data from 11 Nov 2026. Spot a mistake?
Stack and reach of every size
Higher means a taller front end; further right means a longer reach. The blue dot is your search.
Character of each size
Compared with other gravel bikes. Further right means more of that quality.
Bikes with similar geometry (size 56)
The closest size of other gravel models, by stack and reach.
Frequently asked questions
What size SuperX do I need?
It depends on your position, not just your height. The most reliable way is to compare the stack and reach of a bike that fits you with those of each size (from 515/365 mm in size 46 to 615/398 mm in size 61). The size finder on this page shows the closest size and the stem and spacers you would need.
What are the stack and reach of the SuperX in size 56?
Stack of 575 mm and reach of 385 mm, with an effective top tube of 558 mm and a head angle of 71.0°.
Is the SuperX a racing or an endurance bike?
In between. In size 56 its stack-to-reach ratio is at percentile 66 of gravel bikes: neither very low nor very tall.