Geometry ?
Audax Ventus Stelvio 2025 geometry in sizes XS–XL: stack 515–596 mm, reach 377–401 mm, head angle 71–73.5°.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Stack | 515 mm | 533 mm | 540 mm | 570 mm | 596 mm |
| Reach | 377 mm | 387 mm | 390 mm | 396 mm | 401 mm |
| Head angle | 71° | 72° | 72.5° | 73° | 73.5° |
| Seat angle | 74.5° | 74.5° | 74° | 73.5° | 73° |
| Seat tube (?) | 425 mm | 455 mm | 515 mm | 535 mm | 560 mm |
| Head tube | 120 mm | 135 mm | 140 mm | 170 mm | 195 mm |
| Top tube (effective) | 520 mm | 535 mm | 545 mm | 565 mm | 583 mm |
| BB drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Chainstay | 407 mm | 407 mm | 407 mm | 407 mm | 409 mm |
| Wheelbase | 977 mm | 984 mm | 984 mm | 995 mm | 1004 mm |
| Fork length | 365 mm | 365 mm | 365 mm | 365 mm | 365 mm |
| Fork offset | 43 mm | 43 mm | 43 mm | 43 mm | 43 mm |
(?) by the seat tube length: the manufacturer doesn’t say whether it’s measured centre to centre (c-c) or centre to top (c-t).
Source: audaxbike.com, checked 12 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 XS (stack 515 / reach 377 mm).
Stack and reach within 12 mm of size S (stack 533 / reach 387 mm).
Stack and reach within 12 mm of size M (stack 540 / reach 390 mm).
Stack and reach within 12 mm of size L (stack 570 / reach 396 mm).
Stack and reach within 12 mm of size XL (stack 596 / reach 401 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