Good to know: Configurable build
Configurable build (at least partly: the cockpit or bar width, for example). The stock build below is only one of the options.
Geometry ?
Mosaic RT-1 (iTR) 2026 geometry in sizes 48–62: stack 515–622 mm, reach 371–411 mm, head angle 71.2–73.2°.
| 48 | 50 | 52 | 54 | 55 | 56 | 58 | 60 | 62 | |
|---|---|---|---|---|---|---|---|---|---|
| Stack | 515 mm | 529 mm | 540 mm | 558 mm | 566 mm | 578 mm | 588 mm | 602 mm | 622 mm |
| Reach | 371 mm | 372 mm | 379 mm | 380 mm | 387 mm | 388 mm | 400 mm | 411 mm | 410 mm |
| Head angle | 71.2° | 71.2° | 71.5° | 72.8° | 72.8° | 72.8° | 73° | 73° | 73.2° |
| Seat angle | 74.5° | 74° | 74° | 73.5° | 73.5° | 73° | 73° | 73° | 72.5° |
| Seat tube (c-t) | 480 mm | 500 mm | 520 mm | 540 mm | 550 mm | 560 mm | 580 mm | 590 mm | 610 mm |
| Head tube | 100 mm | 115 mm | 130 mm | 140 mm | 150 mm | 160 mm | 170 mm | 185 mm | 205 mm |
| Top tube (effective) | 515 mm | 525 mm | 535 mm | 545 mm | 555 mm | 565 mm | 580 mm | 595 mm | 605 mm |
| BB drop | 75 mm | 75 mm | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm |
| Chainstay | 415 mm | 415 mm | 415 mm | 418 mm | 418 mm | 418 mm | 418 mm | 418 mm | 418 mm |
| Wheelbase | 981 mm | 987 mm | 998 mm | 983 mm | 995 mm | 999 mm | 1012 mm | 1030 mm | 1031 mm |
| Standover | 738 mm | 754 mm | 774 mm | 790 mm | 801 mm | 809 mm | 824 mm | 834 mm | 853 mm |
| Fork offset | 50 mm | 50 mm | 50 mm | 43 mm | 43 mm | 43 mm | 43 mm | 43 mm | 43 mm |
Source: mosaiccycles.com, checked 7 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 515 / reach 371 mm).
Stack and reach within 12 mm of size 50 (stack 529 / reach 372 mm).
Stack and reach within 12 mm of size 52 (stack 540 / reach 379 mm).
Stack and reach within 12 mm of size 54 (stack 558 / reach 380 mm).
Stack and reach within 12 mm of size 55 (stack 566 / reach 387 mm).
Stack and reach within 12 mm of size 56 (stack 578 / reach 388 mm).
Stack and reach within 12 mm of size 58 (stack 588 / reach 400 mm).
Stack and reach within 12 mm of size 60 (stack 602 / reach 411 mm).
Stack and reach within 12 mm of size 62 (stack 622 / reach 410 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 11 values for this model’s stem and bars. Add them