2025 Argon18 · G
2025 Argon18 Dark Matter geometry
Full frame geometry for the 2025 Argon18 Dark Matter, size by size — stack, reach, angles and tube lengths.
Does this bike fit you?
Get sized in minutes — no tape measure, no appointment.
Geometry by size
| Size | Stack (mm) | Reach (mm) | Seat angle (°) | Head angle (°) | Head tube (mm) | Top tube (mm) | Seat tube (mm) | Standover (mm) | BB drop (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XXS | 520 | 370 | 75.5 | 68.5 | 72 | 507 | 420 | 713 | 80 | 436 | 1030 | 54 | 86 |
| XXS 3D 35mm | 520 | 361 | 75.5 | 68.5 | 95 | 507 | 420 | 713 | 80 | 436 | 1030 | 54 | 86 |
| XS | 540 | 382 | 74.9 | 70 | 87 | 530 | 435 | 729 | 80 | 436 | 1036 | 54 | 76 |
| XS 3D 35mm | 540 | 373 | 74.9 | 70 | 112 | 530 | 435 | 729 | 80 | 436 | 1036 | 54 | 76 |
| S | 561 | 394 | 74.3 | 70.5 | 106 | 553 | 460 | 755 | 78 | 436 | 1045 | 48 | 79 |
| S 3D 35mm | 561 | 386 | 74.3 | 70.5 | 131 | 553 | 460 | 755 | 78 | 436 | 1045 | 48 | 79 |
| M | 582 | 406 | 73.7 | 71 | 126 | 577 | 495 | 786 | 78 | 436 | 1059 | 48 | 75 |
| M 3D 35mm | 582 | 398 | 73.7 | 71 | 151 | 577 | 495 | 786 | 78 | 436 | 1059 | 48 | 75 |
| L | 603 | 418 | 73.1 | 71 | 151 | 602 | 540 | 825 | 76 | 436 | 1080 | 48 | 75 |
| L 3D 35mm | 603 | 410 | 73.1 | 71 | 176 | 602 | 540 | 825 | 76 | 436 | 1080 | 48 | 75 |
| XL | 629 | 43 | 72.5 | 71 | 178 | 629 | 585 | 863 | 76 | 436 | 1101 | 48 | 75 |
| XL 3D 35mm | 629 | 422 | 72.5 | 71 | 203 | 629 | 585 | 863 | 76 | 436 | 1101 | 48 | 75 |
All measurements in millimetres unless marked (°) for angles.