Geometry ?
Dolan Rdx 2026 geometry in sizes 49cm–58cm: stack 535.9–608.1 mm, reach 375–394.2 mm, head angle 70–72°.
| 49cm | 52cm | 54cm | 56cm | 58cm | |
|---|---|---|---|---|---|
| Stack | 535.9 mm | 558.7 mm | 568.1 mm | 589 mm | 608.1 mm |
| Reach | 376.4 mm | 375 mm | 376.4 mm | 384.9 mm | 394.2 mm |
| Head angle | 70° | 71° | 71° | 72° | 72° |
| Seat angle | 74° | 74° | 73° | 73° | 73° |
| Seat tube (c-t) | 490 mm | 520 mm | 540 mm | 560 mm | 580 mm |
| Head tube | 120 mm | 140 mm | 150 mm | 170 mm | 190 mm |
| Top tube (effective) | 520 mm | 535 mm | 550 mm | 565 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 49cm (stack 535.9 / reach 376.4 mm).
Stack and reach within 12 mm of size 52cm (stack 558.7 / reach 375 mm).
Stack and reach within 12 mm of size 54cm (stack 568.1 / reach 376.4 mm).
Stack and reach within 12 mm of size 56cm (stack 589 / reach 384.9 mm).
Stack and reach within 12 mm of size 58cm (stack 608.1 / reach 394.2 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