Geometry ?
Soma Fog Cutter 2026 geometry in sizes 48–66: stack 543–648 mm, reach 372–412 mm, head angle 71.5–72.3°.
| 48 | 51 | 54 | 56 | 58 | 61 | 66 | |
|---|---|---|---|---|---|---|---|
| Stack | 543 mm | 551 mm | 570 mm | 585 mm | 603 mm | 631 mm | 648 mm |
| Reach | 372 mm | 377 mm | 390 mm | 393 mm | 396 mm | 398 mm | 412 mm |
| Head angle | 71.5° | 72° | 72.3° | 72.3° | 72.3° | 72.3° | 72.3° |
| Seat angle | 75° | 74° | 74° | 73.5° | 73° | 72.5° | 72.5° |
| Seat tube (c-t) | 480 mm | 510 mm | 540 mm | 560 mm | 580 mm | 610 mm | 660 mm |
| Head tube | 110 mm | 115 mm | 130 mm | 145 mm | 160 mm | 195 mm | 220 mm |
| Top tube (effective) | 518 mm | 535 mm | 554 mm | 566 mm | 579 mm | 598 mm | 618 mm |
| BB drop | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm | 66 mm |
| Chainstay | 422 mm | 422 mm | 422 mm | 422 mm | 426 mm | 426 mm | 426 mm |
| Wheelbase | 999 mm | 1002 mm | 1015 mm | 1023 mm | 1029 mm | 1033 mm | 1071 mm |
| Fork offset | 48 mm | 48 mm | 48 mm | 48 mm | 48 mm | 48 mm | 48 mm |
Source: somafab.com, checked 13 Nov 2026 · bar position: worked out from published data
Build
Sold as a frameset only. You choose the stem, bars, seatpost and other parts yourself, so the bike has no stock build. According to the manufacturer’s website.
Frames with similar geometry
Stack and reach within 12 mm of size 48 (stack 543 / reach 372 mm).
Stack and reach within 12 mm of size 51 (stack 551 / reach 377 mm).
Stack and reach within 12 mm of size 54 (stack 570 / reach 390 mm).
Stack and reach within 12 mm of size 56 (stack 585 / reach 393 mm).
Stack and reach within 12 mm of size 58 (stack 603 / reach 396 mm).
Stack and reach within 12 mm of size 61 (stack 631 / reach 398 mm).
Stack and reach within 12 mm of size 66 (stack 648 / reach 412 mm).
Spotted a mistake or a missing build? Let me know.