Geometry ?
Trek 920 2026 geometry in sizes 49–61: stack 556–642 mm, reach 385–405 mm, head angle 70–71.5°.
| 49 | 52 | 54 | 56 | 58 | 61 | |
|---|---|---|---|---|---|---|
| Stack | 556 mm | 567 mm | 583 mm | 608 mm | 627 mm | 642 mm |
| Reach | 385 mm | 388 mm | 392 mm | 395 mm | 402 mm | 405 mm |
| Head angle | 70° | 70.5° | 71° | 71.3° | 71.3° | 71.5° |
| Seat angle | 74.5° | 74° | 73.8° | 73.3° | 73° | 72.8° |
| Head tube | 95 mm | 105 mm | 120 mm | 145 mm | 165 mm | 180 mm |
| Top tube (effective) | 540 mm | 551 mm | 562 mm | 578 mm | 594 mm | 604 mm |
| BB drop | 85 mm | 85 mm | 85 mm | 85 mm | 85 mm | 85 mm |
| Chainstay | 465 mm | 465 mm | 465 mm | 465 mm | 465 mm | 465 mm |
| Wheelbase | 1072 mm | 1074 mm | 1079 mm | 1088 mm | 1100 mm | 1107 mm |
| Standover | 722 mm | 743 mm | 760 mm | 778 mm | 796 mm | 817 mm |
| Fork offset | 55 mm | 55 mm | 55 mm | 55 mm | 55 mm | 55 mm |
Source: trekbikes.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 49 (stack 556 / reach 385 mm).
Stack and reach within 12 mm of size 52 (stack 567 / reach 388 mm).
Stack and reach within 12 mm of size 54 (stack 583 / reach 392 mm).
Stack and reach within 12 mm of size 56 (stack 608 / reach 395 mm).
Stack and reach within 12 mm of size 58 (stack 627 / reach 402 mm).
Stack and reach within 12 mm of size 61 (stack 642 / reach 405 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 8 values for this model’s stem and bars. Add them