Geometry ?
Gios Airone Disc 2026 geometry in sizes 48–58: stack 510.6–563.7 mm, reach 373.3–392.7 mm, head angle 72–73°.
| 48 | 50 | 52 | 54 | 56 | 58 | |
|---|---|---|---|---|---|---|
| Stack | 510.6 mm | 520.9 mm | 532.1 mm | 541.7 mm | 559.9 mm | 563.7 mm |
| Reach | 373.3 mm | 375.6 mm | 377.5 mm | 379.4 mm | 383.8 mm | 392.7 mm |
| Head angle | 72° | 72.5° | 73° | 73° | 73° | 73° |
| Seat angle | 74.5° | 74° | 73.5° | 73° | 73° | 73° |
| Seat tube (c-t) | 480 mm | 500 mm | 520 mm | 540 mm | 560 mm | – |
| Head tube | 110 mm | 117 mm | 127 mm | 137 mm | 148 mm | 160 mm |
| Chainstay | 415 mm | 415 mm | 415 mm | 415 mm | 415 mm | 415 mm |
| Standover | 765 mm | 770 mm | 783 mm | 799 mm | 815 mm | 830 mm |
Source: en.giostw.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 48 (stack 510.6 / reach 373.3 mm).
Stack and reach within 12 mm of size 50 (stack 520.9 / reach 375.6 mm).
Stack and reach within 12 mm of size 52 (stack 532.1 / reach 377.5 mm).
Stack and reach within 12 mm of size 54 (stack 541.7 / reach 379.4 mm).
Stack and reach within 12 mm of size 56 (stack 559.9 / reach 383.8 mm).
Stack and reach within 12 mm of size 58 (stack 563.7 / reach 392.7 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