Models · Argonaut

Argonaut RM3 (2026)

road · carbon · sizes 480–595 Manufacturer’s website

Geometry ?

Argonaut RM3 2026 geometry in sizes 480–595: stack 505.5–622.5 mm, reach 335–399.2 mm, head angle 69.5–73.5°.

	480	505	515	530	540	545	550	560	565	570	575	580	595
Stack	505.5 mm	510.6 mm	520 mm	540.8 mm	550.8 mm	560.4 mm	563.3 mm	572.9 mm	580.5 mm	586.1 mm	609.2 mm	603.3 mm	622.5 mm
Reach	335 mm	357.5 mm	364.8 mm	367.1 mm	371.6 mm	373.7 mm	377.9 mm	385 mm	387.6 mm	391 mm	388.9 mm	395.8 mm	399.2 mm
Head angle	69.5°	71.5°	71.5°	72°	73°	73°	73.2°	73.2°	73.2°	73.5°	73.2°	73.5°	73.5°
Seat angle	74°	74°	74°	73.5°	73°	73°	73°	73°	73°	73°	73°	73°	72.5°
Head tube	101 mm	104 mm	114 mm	134 mm	144 mm	154 mm	154 mm	164 mm	174 mm	179 mm	204 mm	199 mm	219 mm
Top tube (effective)	476 mm	505 mm	515 mm	528 mm	540 mm	545 mm	550 mm	560 mm	565 mm	570 mm	575 mm	580 mm	595 mm
BB drop	80 mm	75 mm	75 mm	75 mm	72 mm	72 mm	72 mm	72 mm	70 mm	70 mm	70 mm	68 mm	68 mm
Chainstay	408 mm	408 mm	408 mm	408 mm	408 mm	408 mm	408 mm	408 mm	408 mm	408 mm	408 mm	408 mm	408 mm
Fork length	371 mm	371 mm	371 mm	371 mm	371 mm	371 mm	371 mm	371 mm	371 mm	371 mm	371 mm	371 mm	371 mm
Fork offset	50 mm	50 mm	50 mm	50 mm	50 mm	50 mm	43 mm	43 mm	43 mm	43 mm	43 mm	43 mm	43 mm

Source: argonautcycles.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 550 (stack 563.3 / reach 377.9 mm).

Giant Contend (2025)size M · stack 563 / reach 378 mm Koga ROQA (2026)size S · stack 564 / reach 378 mm No. 22 Aurora (2026)size 54cm · stack 562 / reach 378 mm Gios AL Lite (2026)size 52 · stack 565 / reach 378 mm Merida Scultura Endurance (carbon) (2027)size S · stack 565 / reach 376 mm Merida Scultura Endurance Lite (alloy) (2027)size S · stack 565 / reach 376 mm

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