Soma Smoothie HP (2026)

road · steel · sizes 48–60 Manufacturer’s website

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 56 (stack 593 / reach 389 mm).

Spotted a mistake or a missing build? Let me know.