Models · Mosaic

Mosaic AR-1 (2026)

allroad · titanium · sizes 48–62 Manufacturer’s website

Geometry ?

Mosaic AR-1 2026 geometry in sizes 48–62: stack 525–628 mm, reach 367–407 mm, head angle 71–72.5°.

	48	50	52	54	56	58	60	62
Stack	525 mm	539 mm	549 mm	560 mm	580 mm	593 mm	608 mm	628 mm
Reach	367 mm	369 mm	376 mm	378 mm	386 mm	398 mm	403 mm	407 mm
Head angle	71°	71.3°	71.3°	71.3°	71.5°	72°	72.3°	72.5°
Seat angle	74.5°	74°	74°	73.5°	73°	73°	72.5°	72.5°
Seat tube (c-t)	480 mm	500 mm	520 mm	540 mm	560 mm	580 mm	590 mm	620 mm
Head tube	115 mm	130 mm	140 mm	155 mm	175 mm	185 mm	200 mm	220 mm
Top tube (effective)	515 mm	525 mm	535 mm	545 mm	565 mm	580 mm	595 mm	605 mm
BB drop	75 mm	75 mm	75 mm	72 mm	72 mm	72 mm	72 mm	72 mm
Chainstay	384 mm	384 mm	384 mm	384 mm	384 mm	384 mm	389 mm	389 mm
Wheelbase	994 mm	999 mm	1009 mm	1016 mm	1029 mm	1035 mm	1048 mm	1056 mm
Fork offset	51 mm	51 mm	51 mm	51 mm	51 mm	47 mm	47 mm	47 mm

Source: mosaiccycles.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 580 / reach 386 mm).

Crust Romanceur (2026)size Large · stack 580 / reach 387 mm Nich Kem (2026)size S · stack 580 / reach 385 mm OPEN U.P. / U.P.P.E.R. (First-Gen) (2026)size L · stack 580 / reach 387 mm Trek Boone (2026)size 56 · stack 580 / reach 387 mm Berria Allroad (alloy) (2027)size 54 · stack 581 / reach 387 mm Berria Allroad Carbon (2027)size 54 · stack 581 / reach 387 mm

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