Geometry ?
Mosso 730GVL 2026 geometry in sizes 430–580: stack 538–589 mm, reach 351–396 mm, head angle 70.5–71.5°.
| 430 | 460 | 490 | 520 | 550 | 580 | |
|---|---|---|---|---|---|---|
| Stack | 538 mm | 543 mm | 548 mm | 561 mm | 575 mm | 589 mm |
| Reach | 351 mm | 360 mm | 368 mm | 375 mm | 385 mm | 396 mm |
| Head angle | 70.5° | 70.5° | 70.5° | 71.5° | 71.5° | 71.5° |
| Seat angle | 74° | 74° | 74° | 74° | 74° | 74° |
| Seat tube (?) | 430 mm | 460 mm | 490 mm | 520 mm | 550 mm | 580 mm |
| Head tube | 120 mm | 125 mm | 130 mm | 140 mm | 155 mm | 170 mm |
| BB drop | 65 mm | 65 mm | 65 mm | 65 mm | 65 mm | 65 mm |
| Chainstay | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| Fork length | 397 mm | 397 mm | 397 mm | 397 mm | 397 mm | 397 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: mosso.com.tw, 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 430 (stack 538 / reach 351 mm).
Stack and reach within 12 mm of size 460 (stack 543 / reach 360 mm).
Stack and reach within 12 mm of size 490 (stack 548 / reach 368 mm).
Stack and reach within 12 mm of size 520 (stack 561 / reach 375 mm).
Stack and reach within 12 mm of size 550 (stack 575 / reach 385 mm).
Stack and reach within 12 mm of size 580 (stack 589 / reach 396 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