Geometry ?
OPEN U.P. / U.P.P.E.R. (First-Gen) 2026 geometry in sizes S–XL: stack 522–604 mm, reach 365–401 mm, head angle 69.5–72.5°.
| S | M | L | XL | |
|---|---|---|---|---|
| Stack | 522 mm | 551 mm | 580 mm | 604 mm |
| Reach | 365 mm | 376 mm | 387 mm | 401 mm |
| Head angle | 69.5° | 71° | 72.5° | 72.5° |
| Seat angle | 72.5° | 72.5° | 72.5° | 72.5° |
| Seat tube (?) | 500 mm | 540 mm | 560 mm | 580 mm |
| Head tube | 105 mm | 130 mm | 155 mm | 180 mm |
| Top tube (effective) | 528 mm | 549 mm | 570 mm | 591 mm |
| BB drop | 70 mm | 70 mm | 70 mm | 70 mm |
| Chainstay | 420 mm | 420 mm | 420 mm | 420 mm |
| Wheelbase | 1002 mm | 1008 mm | 1014 mm | 1032 mm |
| Standover | 743 mm | 767 mm | 791 mm | 815 mm |
| Fork offset | 50 mm | 50 mm | 50 mm | 50 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: opencycle.com, checked 12 Nov 2026 · bar position: worked out from published data
Older model years in the archive with the same stack, reach and head angle: 2020–2024. Source: granfondo-cycling.com
Stock build
U.P. Frameset (First-Gen) ≈ €2,300
- List price
- US$2,500 (opencycle.com, 12 Nov 2026)
U.P.PER. Frameset (First-Gen) ≈ €3,220
- List price
- US$3,500 (opencycle.com, 12 Nov 2026)
Source for all builds: opencycle.com, checked 12 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size S (stack 522 / reach 365 mm).
Stack and reach within 12 mm of size M (stack 551 / reach 376 mm).
Stack and reach within 12 mm of size L (stack 580 / reach 387 mm).
Stack and reach within 12 mm of size XL (stack 604 / 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 6 values for this model’s stem and bars. Add them