Geometry ?
Mosaic GT-1 i55 32" 2026 geometry in sizes 50–62: stack 570.2–654.2 mm, reach 370.2–435 mm, head angle 69–71°.
| 50 | 52 | 54 | 56 | 58 | 60 | 62 | |
|---|---|---|---|---|---|---|---|
| Stack | 570.2 mm | 579.1 mm | 583.8 mm | 595.2 mm | 618.9 mm | 635.2 mm | 654.2 mm |
| Reach | 370.2 mm | 387.4 mm | 390.1 mm | 408.2 mm | 428.8 mm | 434.6 mm | 435 mm |
| Head angle | 69° | 70° | 70° | 70.5° | 70.5° | 71° | 71° |
| Seat tube (c-t) | 470 mm | 480 mm | 490 mm | 510 mm | 530 mm | 550 mm | 560 mm |
| Head tube | 90 mm | 95 mm | 100 mm | 109.9 mm | 135 mm | 150 mm | 170 mm |
| Top tube (effective) | 525 mm | 550.2 mm | 560 mm | 585 mm | 615 mm | 630 mm | 635 mm |
| BB drop | 95 mm | 95 mm | 95 mm | 95 mm | 95 mm | 95 mm | 95 mm |
| Chainstay | 450 mm | 450 mm | 450 mm | 450 mm | 450 mm | 450 mm | 450 mm |
| Wheelbase | 1056.8 mm | 1067.3 mm | 1071.7 mm | 1088.9 mm | 1117.8 mm | 1124 mm | 1130.9 mm |
| Fork offset | 60 mm | 60 mm | 60 mm | 60 mm | 60 mm | 60 mm | 60 mm |
Source: mosaiccycles.com, checked 13 Nov 2026 · bar position: worked out from published data
Build
Built to measure. The stem, bars and other parts are chosen to suit the rider, so the bike has no stock build. According to the manufacturer’s website.
Frames with similar geometry
Stack and reach within 12 mm of size 50 (stack 570.2 / reach 370.2 mm).
Stack and reach within 12 mm of size 52 (stack 579.1 / reach 387.4 mm).
Stack and reach within 12 mm of size 54 (stack 583.8 / reach 390.1 mm).
Stack and reach within 12 mm of size 56 (stack 595.2 / reach 408.2 mm).
Stack and reach within 12 mm of size 58 (stack 618.9 / reach 428.8 mm).
Stack and reach within 12 mm of size 60 (stack 635.2 / reach 434.6 mm).
Stack and reach within 12 mm of size 62 (stack 654.2 / reach 435 mm).
Spotted a mistake or a missing build? Let me know.