2026 Argon18 · G
2026 Argon18 Grey Matter geometry
Full frame geometry for the 2026 Argon18 Grey 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XXS | 525 | 358 | 75.5 | 69.5 | 104 | 496 | 420 | 689 | 80 | 428 | 1003 |
| XS | 545 | 368 | 74.9 | 71 | 119 | 517 | 450 | 716 | 80 | 428 | 1006 |
| S | 565 | 378 | 74.3 | 71.4 | 144 | 538 | 485 | 753 | 75 | 428 | 1021 |
| M | 585 | 388 | 73.7 | 72 | 160 | 560 | 520 | 783 | 75 | 428 | 1027 |
| L | 605 | 398 | 73.1 | 72 | 187 | 582 | 555 | 818 | 70 | 430 | 1048 |
| XL | 630 | 408 | 72.5 | 75.5 | 211 | 607 | 590 | 849 | 70 | 432 | 1062 |
All measurements in millimetres unless marked (°) for angles.