Geometry ?
Soma Smoothie HP 2026 geometry in sizes 48–60: stack 539–621 mm, reach 365–393 mm, head angle 71.5–73.5°.
| 48 | 52 | 54 | 56 | 58 | 60 | |
|---|---|---|---|---|---|---|
| Stack | 539 mm | 553 mm | 581 mm | 593 mm | 607 mm | 621 mm |
| Reach | 365 mm | 376 mm | 384 mm | 389 mm | 391 mm | 393 mm |
| Head angle | 71.5° | 72.5° | 73° | 73.5° | 73.5° | 73.5° |
| Seat angle | 75° | 74.5° | 74.5° | 74° | 73.5° | 73° |
| Seat tube (c-t) | 440 mm | 480 mm | 500 mm | 520 mm | 540 mm | 560 mm |
| Head tube | 120 mm | 130 mm | 155 mm | 170 mm | 185 mm | 200 mm |
| Top tube (effective) | 510 mm | 530 mm | 545 mm | 560 mm | 570 mm | 585 mm |
| BB drop | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm |
| Chainstay | 412 mm | 412 mm | 415 mm | 415 mm | 415 mm | 415 mm |
| Wheelbase | 978 mm | 982 mm | 993 mm | 997 mm | 1003 mm | 1011 mm |
| Fork offset | 48 mm | 48 mm | 43 mm | 43 mm | 43 mm | 43 mm |
Source: somafab.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 48 (stack 539 / reach 365 mm).
Stack and reach within 12 mm of size 52 (stack 553 / reach 376 mm).
Stack and reach within 12 mm of size 54 (stack 581 / reach 384 mm).
Stack and reach within 12 mm of size 56 (stack 593 / reach 389 mm).
Stack and reach within 12 mm of size 58 (stack 607 / reach 391 mm).
Stack and reach within 12 mm of size 60 (stack 621 / reach 393 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