2026 Argon18 · RDS
2026 Argon18 Nitrogen Pro geometry
Full frame geometry for the 2026 Argon18 Nitrogen Pro, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XXS 44-46 | 486 | 370 | 75 | 71.2 | 81 | 502 | 395 | 682 | 71 | 410 | 967 | 49 |
| XS 47-50 | 508 | 377 | 74.5 | 72.1 | 97 | 519 | 425 | 706 | 75 | 410 | 972 | 49 |
| S 51-53 | 531 | 384 | 74 | 72.7 | 113 | 537 | 466 | 734 | 79 | 410 | 975 | 45 |
| M 54-56 | 555 | 392 | 73.5 | 72.7 | 138 | 557 | 505 | 772 | 79 | 410 | 990 | 45 |
| L 57-59 | 580 | 400 | 73 | 72.7 | 165 | 578 | 550 | 810 | 79 | 410 | 1006 | 45 |
| XL 60-62 | 607 | 409 | 72.5 | 73 | 192 | 601 | 595 | 848 | 79 | 410 | 1020 | 45 |
All measurements in millimetres unless marked (°) for angles.