Factor SARANA geometryGravel · 2026 · 5 sizes, from 49 to 58
The Factor SARANA is a gravel bike available in 5 sizes, from 49 to 58. Stack ranges from 544 to 613 mm and reach from 378 to 418 mm. Its geometry is low and long, with a racing fit. All sizes share 425 mm chainstays.
What size SARANA 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 Factor. The ones that matter most for choosing a size are in bold.
| Size | 49 | 52 | 54 | 56 | 58 |
|---|---|---|---|---|---|
| Stack | 544 | 558 | 573 | 593 | 613 |
| Reach | 378 | 388 | 398 | 408 | 418 |
| Head angle | 71.5° | 71.5° | 71.5° | 71.5° | 71.5° |
| Chainstay length | 425 | 425 | 425 | 425 | 425 |
| Wheelbase | 1,003 | 1,018 | 1,032 | 1,051 | 1,067 |
| BB drop | 82 | 82 | 80 | 80 | 80 |
| Fork offset | 51 | 51 | 51 | 51 | 51 |
| Trail | 65 | 65 | 65 | 65 | 65 |
| Seat angle (method not stated) | 75.3° | 74.5° | 74.5° | 74.0° | 74.0° |
Source: Factor 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 54)
The closest size of other gravel models, by stack and reach.
Frequently asked questions
What size SARANA 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 544/378 mm in size 49 to 613/418 mm in size 58). 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 SARANA in size 54?
Stack of 573 mm and reach of 398 mm.
Is the SARANA a racing or an endurance bike?
Racing. In size 54 its stack-to-reach ratio is at percentile 31 of gravel bikes: a low, stretched position.