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
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 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.