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 48 (stack 525 / reach 367 mm).
Stack and reach within 12 mm of size 50 (stack 539 / reach 369 mm).
Stack and reach within 12 mm of size 52 (stack 549 / reach 376 mm).
Stack and reach within 12 mm of size 54 (stack 560 / reach 378 mm).
Stack and reach within 12 mm of size 56 (stack 580 / reach 386 mm).
Stack and reach within 12 mm of size 58 (stack 593 / reach 398 mm).
Stack and reach within 12 mm of size 60 (stack 608 / reach 403 mm).
Stack and reach within 12 mm of size 62 (stack 628 / reach 407 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 10 values for this model’s stem and bars. Add them