Geometry ?
Principia Gravel 22TiTAN 2026 geometry in sizes 50–58: stack 550–623 mm, reach 363–398 mm, head angle 70.5–71°.
| 50 | 52 | 54 | 56 | 58 | |
|---|---|---|---|---|---|
| Stack | 550 mm | 573 mm | 589 mm | 604 mm | 623 mm |
| Reach | 363 mm | 368 mm | 378 mm | 388 mm | 398 mm |
| Head angle | 70.5° | 70.5° | 71° | 71° | 71° |
| Seat angle | 74° | 73° | 73° | 73° | 73° |
| Head tube | 109 mm | 135 mm | 150 mm | 165 mm | 185 mm |
| BB drop | 80 mm | 75 mm | 75 mm | 75 mm | 75 mm |
| Chainstay | 435 mm | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1013 mm | 1027 mm | 1037 mm | 1053 mm | 1069 mm |
Source: principiabikes.com, checked 13 Nov 2026 · bar position: worked out from published data
Stock build
I don’t have the build for each size yet.
Frames with similar geometry
Stack and reach within 12 mm of size 50 (stack 550 / reach 363 mm).
Stack and reach within 12 mm of size 52 (stack 573 / reach 368 mm).
Stack and reach within 12 mm of size 54 (stack 589 / reach 378 mm).
Stack and reach within 12 mm of size 56 (stack 604 / reach 388 mm).
Stack and reach within 12 mm of size 58 (stack 623 / reach 398 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 7 values for this model’s stem and bars. Add them