A size-by-size geometry profile with manufacturer provenance and RideDNA consistency-audit context. Use the complete table to compare fit and handling before opening the interactive tools.
Source: Manufacturer geometry source
Provenance: published is present in the manufacturer data; derived is calculated by RideDNA; manual is a staff-entered reference rather than a manufacturer-chart value. “Not published” means the manufacturer did not provide a value for that size.
| Size | Stack | Reach | HTA | STA | ETT | Chainstay | Wheelbase | Front center | BB drop | Trail | Fork offset | Audit context |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2XL | 655 mm published | 454 mm published | 71.8 ° derived | 73.5 ° derived | 648 mm derived | 425 mm derived | 1118 mm published | 703 mm derived | 75 mm derived | 60.7 mm derived | 52 mm published | green |
| All 3 consistency checks passed | ||||||||||||
| 2XS | 545 mm published | 372 mm published | 69.5 ° derived | 73.5 ° derived | 533 mm derived | 425 mm derived | 1021 mm published | 607 mm derived | 75 mm derived | 75.7 mm derived | 52 mm published | green |
| All 3 consistency checks passed | ||||||||||||
| L | 613 mm published | 427 mm published | 71.5 ° derived | 73.5 ° derived | 609 mm derived | 425 mm derived | 1080 mm published | 667 mm derived | 75 mm derived | 62.6 mm derived | 52 mm published | green |
| All 3 consistency checks passed | ||||||||||||
| M | 591 mm published | 411 mm published | 71.5 ° derived | 73.5 ° derived | 586 mm derived | 425 mm derived | 1057 mm published | 643 mm derived | 75 mm derived | 62.6 mm derived | 52 mm published | green |
| All 3 consistency checks passed | ||||||||||||
| S | 573 mm published | 394 mm published | 71.5 ° derived | 73.5 ° derived | 564 mm derived | 425 mm derived | 1034 mm published | 620 mm derived | 75 mm derived | 62.6 mm derived | 52 mm published | green |
| All 3 consistency checks passed | ||||||||||||
| XL | 633 mm published | 435 mm published | 71.8 ° derived | 73.5 ° derived | 623 mm derived | 425 mm derived | 1092 mm published | 678 mm derived | 75 mm derived | 60.7 mm derived | 52 mm published | green |
| All 3 consistency checks passed | ||||||||||||
| XS | 556 mm published | 385 mm published | 71.0 ° derived | 73.5 ° derived | 550 mm derived | 425 mm derived | 1024 mm published | 611 mm derived | 75 mm derived | 65.9 mm derived | 52 mm published | green |
| All 3 consistency checks passed | ||||||||||||
Overall consistency: green. This context is shown alongside the table so a rider can distinguish a complete published specification from a value that RideDNA had to derive or could not independently verify.
The Canyon Grail geometry specification demonstrates excellent internal consistency across all seven sizes. All forward-model checks — stack, reach, and wheelbase — reconcile within ±1mm engineering tolerance. The RideDNA Geometry Engine's top-down reconciliation confirms that the published values form a self-consistent geometric system, with all five back-calculation checks passing across the entire size run.