Geometry ?
Twitter Gravel V3 2026 geometry in sizes 45–54: stack 528.8–582.9 mm, reach 371.1–390.6 mm, head angle 70–72°.
| 45 | 48 | 50 | 52 | 54 | |
|---|---|---|---|---|---|
| Stack | 528.8 mm | 544.9 mm | 554.4 mm | 572.6 mm | 582.9 mm |
| Reach | 371.1 mm | 375.4 mm | 379.4 mm | 384.1 mm | 390.6 mm |
| Head angle | 70° | 71° | 71° | 71.5° | 72° |
| Seat angle | 74.3° | 74.3° | 74.3° | 74.3° | 74.3° |
| Seat tube (c-t) | 450 mm | 480 mm | 500 mm | 520 mm | 540 mm |
| Head tube | 113 mm | 126 mm | 136 mm | 150 mm | 162 mm |
| BB drop | 74 mm | 74 mm | 74 mm | 74 mm | 74 mm |
| Chainstay | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 1009.9 mm | 1017.9 mm | 1021.5 mm | 1027.4 mm | 1032.3 mm |
| Fork length | 391 mm | 391 mm | 391 mm | 391 mm | 391 mm |
| Fork offset | 55 mm | 55 mm | 55 mm | 55 mm | 55 mm |
Source: twitterbikeusa.com, checked 12 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 45 (stack 528.8 / reach 371.1 mm).
Stack and reach within 12 mm of size 48 (stack 544.9 / reach 375.4 mm).
Stack and reach within 12 mm of size 50 (stack 554.4 / reach 379.4 mm).
Stack and reach within 12 mm of size 52 (stack 572.6 / reach 384.1 mm).
Stack and reach within 12 mm of size 54 (stack 582.9 / reach 390.6 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 7 values for this model’s stem and bars. Add them