2026 BMC · P
2026 BMC Trackmachine AL geometry
Full frame geometry for the 2026 BMC Trackmachine AL, 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) | Front centre (mm) | Wheelbase (mm) | Fork rake (mm) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 490 | 395 | 73.5 | 73 | 110 | 540 | 520 | 749 | 50 | 577 | 956 | 43 | 58 |
| M | 525 | 402 | 73.5 | 73 | 138 | 558 | 550 | 780 | 58 | 592 | 975 | 43 | 58 |
| L | 563 | 413 | 73.5 | 73 | 178 | 580 | 585 | 807 | 58 | 616 | 999 | 43 | 58 |
All measurements in millimetres unless marked (°) for angles.