2026 Argon18 · RD
2026 Argon18 Equation geometry
Full frame geometry for the 2026 Argon18 Equation, 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) | Standover (mm) | BB drop (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XXS | 518 | 359 | 75.5 | 70.3 | 84 | 496 | 420 | 673 | 80 | 417 | 981 | 52 | 68 |
| XS | 537 | 369 | 74.9 | 71.3 | 101 | 516 | 450 | 700 | 80 | 417 | 989 | 52 | 61 |
| S | 558 | 379 | 74.3 | 72 | 120 | 537 | 485 | 734 | 78 | 420 | 997 | 47 | 62 |
| M | 578 | 388 | 73.7 | 72 | 141 | 558 | 520 | 764 | 78 | 420 | 1013 | 47 | 62 |
| L | 600 | 397 | 73.1 | 72 | 166 | 580 | 555 | 797 | 75 | 420 | 1030 | 47 | 62 |
| XL | 623 | 407 | 72.5 | 72.5 | 189 | 604 | 590 | 827 | 75 | 420 | 1043 | 47 | 59 |
All measurements in millimetres unless marked (°) for angles.