Geometry ?
Somec Matrix 2025 geometry in sizes XS–XL: stack 509.7–587.7 mm, reach 379.1–406.2 mm, head angle 71.5–73.5°.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Stack | 509.7 mm | 522.8 mm | 541.6 mm | 562.7 mm | 587.7 mm |
| Reach | 379.1 mm | 384.2 mm | 387.6 mm | 397.2 mm | 406.2 mm |
| Head angle | 71.5° | 72.5° | 73° | 73.2° | 73.5° |
| Seat angle | 75° | 74° | 73.5° | 73.2° | 73° |
| Seat tube (?) | 460 mm | 490 mm | 510 mm | 530 mm | 560 mm |
| Head tube | 110 mm | 120 mm | 140 mm | 160 mm | 180 mm |
| Chainstay | 408 mm | 408 mm | 408 mm | 408 mm | 408 mm |
| Wheelbase | 973.8 mm | 975.4 mm | 981.2 mm | 993.7 mm | 1010.4 mm |
| Fork offset | 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: somec.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 XS (stack 509.7 / reach 379.1 mm).
Stack and reach within 12 mm of size S (stack 522.8 / reach 384.2 mm).
Stack and reach within 12 mm of size M (stack 541.6 / reach 387.6 mm).
Stack and reach within 12 mm of size L (stack 562.7 / reach 397.2 mm).
Stack and reach within 12 mm of size XL (stack 587.7 / reach 406.2 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