Geometry ?
Ventum NS1 2026 geometry in sizes XS–XL: stack 493–615 mm, reach 370–413 mm, head angle 71–73°.
| XS | S | M | M/L | L | XL | |
|---|---|---|---|---|---|---|
| Stack | 493 mm | 515 mm | 541 mm | 565 mm | 590 mm | 615 mm |
| Reach | 370 mm | 378 mm | 388 mm | 397 mm | 405 mm | 413 mm |
| Head angle | 71° | 72° | 73° | 73° | 73° | 73° |
| Seat angle | 73.5° | 73.5° | 73° | 73° | 73° | 73° |
| Seat tube (?) | 439 mm | 448 mm | 473 mm | 490 mm | 527 mm | 543 mm |
| Head tube | 90 mm | 110 mm | 133 mm | 158 mm | 185 mm | 211 mm |
| BB drop | 69 mm | 69 mm | 69 mm | 69 mm | 69 mm | 69 mm |
| Chainstay | 410 mm | 410 mm | 410 mm | 410 mm | 410 mm | 410 mm |
| Wheelbase | 968 mm | 974 mm | 984 mm | 1000 mm | 1015 mm | 1031 mm |
| Standover | 730 mm | 745 mm | 770 mm | 788 mm | 820 mm | 840 mm |
| Fork length | 373 mm | 373 mm | 373 mm | 373 mm | 373 mm | 373 mm |
| Fork offset | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm | 45 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: ventumracing.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 493 / reach 370 mm).
Stack and reach within 12 mm of size S (stack 515 / reach 378 mm).
Stack and reach within 12 mm of size M (stack 541 / reach 388 mm).
Stack and reach within 12 mm of size M/L (stack 565 / reach 397 mm).
Stack and reach within 12 mm of size L (stack 590 / reach 405 mm).
Stack and reach within 12 mm of size XL (stack 615 / reach 413 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 8 values for this model’s stem and bars. Add them