2026 Colnago · G
2026 Colnago C68 Gravel geometry
Full frame geometry for the 2026 Colnago C68 Gravel, size by size — stack, reach, angles and tube lengths.
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Geometry by size
| Size | Stack (mm) | Reach (mm) | Seat angle (°) | Head angle (°) | Head tube (mm) | Top tube (mm) | Seat tube (mm) | BB drop (mm) | Front centre (mm) | Chainstay (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| 450 | 541 | 375 | 75 | 75 | 130 | 520 | 450 | 72 | 596 | 425 |
| 480 | 555 | 386 | 74 | 70.5 | 130 | 545 | 480 | 74 | 612 | 425 |
| 510 | 580 | 397 | 73.5 | 70.5 | 157 | 569 | 510 | 72 | 632 | 425 |
| 540 | 605 | 408 | 73.2 | 70.5 | 185 | 590 | 540 | 72 | 652 | 425 |
| 570 | 630 | 419 | 73 | 70.5 | 212 | 600 | 570 | 72 | 660 | 425 |
All measurements in millimetres unless marked (°) for angles.