2026 Cannondale · G
2026 Cannondale Topstone Alloy geometry
Full frame geometry for the 2026 Cannondale Topstone Alloy, 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) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 518 | 368 | 73.1 | 70 | 86 | 533 | 410 | 703 | 75 | 593 | 435 | 1016 | 55 | 72 |
| SM | 549 | 377 | 73.1 | 71 | 115 | 544 | 458 | 744 | 75 | 603 | 435 | 1027 | 55 | 65 |
| MD | 579 | 385 | 73.1 | 71 | 147 | 557 | 505 | 784 | 75 | 621 | 435 | 1045 | 55 | 65 |
| LG | 610 | 394 | 73.1 | 71 | 180 | 572 | 553 | 824 | 75 | 641 | 435 | 1065 | 55 | 65 |
| XL | 640 | 402 | 73.1 | 71 | 212 | 587 | 600 | 864 | 75 | 659 | 435 | 1083 | 55 | 65 |
All measurements in millimetres unless marked (°) for angles.