Argon 18 Grey Matter geometry
Argon 18 Grey Matter (aluminium gravel) has 6 published frame sizes. Stack 525–630 mm; reach 358–408 mm. Sources, weights and tyre clearance where available.
Gravel · aluminium · Model year not specified
Measurements
Lengths in mm · Angles in degrees Select + beneath a size to compare
| Frame size | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Stack mm | 525 | 545 | 565 | 585 | 605 | 630 |
| Reach mm | 358 | 368 | 378 | 388 | 398 | 408 |
| Effective top tube mm | — | — | — | — | — | — |
| Seat tube length mm | 420 | 450 | 485 | 520 | 555 | 590 |
| Head tube length mm | 104 | 119 | 144 | 160 | 187 | 211 |
| Head tube angle ° | 69.5 | 71 | 71.4 | 72 | 72 | 75.5 |
| Seat tube angle ° | 75.5 | 74.9 | 74.3 | 73.7 | 73.1 | 72.5 |
| Chainstay length mm | 428 | 428 | 428 | 428 | 430 | 432 |
| Wheelbase mm | 1003 | 1006 | 1021 | 1027 | 1048 | 1062 |
| Bottom bracket drop mm | 80 | 80 | 75 | 75 | 70 | 70 |
| Bottom bracket height mm | — | — | — | — | — | — |
| Fork length mm | — | — | — | — | — | — |
| Fork offset mm | — | — | — | — | — | — |
| Trail mm | — | — | — | — | — | — |
| Standover height mm | 689 | 716 | 753 | 783 | 818 | 849 |
| Front centre mm | — | — | — | — | — | — |
— Not published in the collected chart. Size labels follow the manufacturer.
Frame and fork weight
No verified weight for this frame.
Tyre clearance
Not verified for this frame.
Sources
Reviewed 2026-10-01
Measurement and frame notes
- Baseline/0 mm 3D stack and reach are used where the maker publishes multiple 3D front-end settings; other 3D settings are not separate frame sizes.
- The XL head tube angle is an unusual 75.5° in the official table; retained, not corrected.