2025 Argon18 · RD
2025 Argon18 Sum geometry
Full frame geometry for the 2025 Argon18 Sum, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XXS | 471 | 375 | 75 | 71.2 | 69 | 503 | 395 | 676 | 69 | 410 | 967 |
| XS | 493 | 382 | 74.5 | 72.1 | 85 | 520 | 425 | 700 | 73 | 410 | 972 |
| S | 516 | 389 | 74 | 72.7 | 101 | 538 | 460 | 727 | 77 | 410 | 975 |
| M | 540 | 397 | 73.5 | 72.7 | 126 | 557 | 505 | 766 | 77 | 410 | 990 |
| L | 565 | 405 | 73 | 72.7 | 152 | 578 | 550 | 804 | 77 | 410 | 1006 |
| XL | 592 | 414 | 72.5 | 73 | 180 | 600 | 595 | 841 | 77 | 410 | 1020 |
All measurements in millimetres unless marked (°) for angles.