2025 Chapter2 · RD
2025 Chapter2 TOA geometry
Full frame geometry for the 2025 Chapter2 TOA, 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) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XXS | 468 | 357 | 75 | 70 | 72 | 482 | 435 | 715 | 73 | 562 | 408 | 959 | 53 |
| XS | 502 | 363 | 74 | 70 | 95 | 509 | 458 | 735 | 73 | 576 | 408 | 973 | 53 |
| S | 527 | 372 | 74 | 72 | 115 | 525 | 483 | 760 | 73 | 578 | 408 | 975 | 53 |
| M | 552 | 381 | 74 | 73 | 135 | 542 | 508 | 786 | 73 | 576 | 408 | 973 | 43 |
| L | 577 | 390 | 74 | 73 | 160 | 558 | 533 | 811 | 73 | 589 | 408 | 986 | 43 |
| XL | 602 | 399 | 74 | 73 | 186 | 575 | 560 | 837 | 73 | 605 | 408 | 1002 | 43 |
All measurements in millimetres unless marked (°) for angles.