Geometry ?
Dolan Adx Disc 2026 geometry in sizes 50.5cm–58.5cm: stack 550.1–623.1 mm, reach 373–390.2 mm, head angle 72.5–74°.
| 50.5cm | 52.5cm | 54.5cm | 56.5cm | 58.5cm | |
|---|---|---|---|---|---|
| Stack | 550.1 mm | 568.7 mm | 585.9 mm | 597.3 mm | 623.1 mm |
| Reach | 373 mm | 377 mm | 381 mm | 384.8 mm | 390.2 mm |
| Head angle | 72.5° | 73° | 73° | 73.5° | 74° |
| Seat angle | 74.5° | 74° | 74° | 73.5° | 73.5° |
| Seat tube (c-t) | 505 mm | 525 mm | 545 mm | 565 mm | 585 mm |
| Head tube | 135 mm | 152 mm | 170 mm | 180 mm | 205 mm |
| Top tube (effective) | 531 mm | 539 mm | 549 mm | 567 mm | 580 mm |
Source: dolan-bikes.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 50.5cm (stack 550.1 / reach 373 mm).
Stack and reach within 12 mm of size 52.5cm (stack 568.7 / reach 377 mm).
Stack and reach within 12 mm of size 54.5cm (stack 585.9 / reach 381 mm).
Stack and reach within 12 mm of size 56.5cm (stack 597.3 / reach 384.8 mm).
Stack and reach within 12 mm of size 58.5cm (stack 623.1 / reach 390.2 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