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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 615 mm published | 405 mm published | 72.0 ° derived | 73.0 ° derived | 590 mm derived | 435 mm derived | 1062 mm published | 636 mm published | 68 mm derived | 64.0 mm published | 50 mm published | red |
| 1 of 5 checks flagged — Stack Reconciliation shows 10.2mm discrepancy | ||||||||||||
| M | 560 mm published | 390 mm published | 71.5 ° derived | 73.5 ° derived | 555 mm derived | 435 mm derived | 1034 mm published | 610 mm published | 74 mm derived | 68.0 mm published | 50 mm published | green |
| All 5 consistency checks passed | ||||||||||||
| M/L | 585 mm published | 395 mm published | 71.5 ° derived | 73.5 ° derived | 568 mm derived | 435 mm derived | 1047 mm published | 623 mm published | 74 mm derived | 68.0 mm published | 50 mm published | green |
| All 5 consistency checks passed | ||||||||||||
| S | 557 mm published | 373 mm published | 71.0 ° derived | 74.0 ° derived | 532 mm derived | 435 mm derived | 1019 mm published | 596 mm published | 78 mm derived | 71.0 mm published | 50 mm published | green |
| All 5 consistency checks passed | ||||||||||||
| XL | 640 mm published | 415 mm published | 72.0 ° derived | 73.0 ° derived | 610 mm derived | 435 mm derived | 1083 mm published | 657 mm published | 68 mm derived | 64.0 mm published | 50 mm published | green |
| All 5 consistency checks passed | ||||||||||||
| XS | 553 mm published | 364 mm published | 70.0 ° derived | 74.5 ° derived | 517 mm derived | 435 mm derived | 1019 mm published | 596 mm published | 78 mm derived | 78.0 mm published | 50 mm published | green |
| All 5 consistency checks passed | ||||||||||||
Overall consistency: red. 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 Litespeed Toscano geometry specification reconciles well across five of six sizes, with all checks passing within ±1mm engineering tolerance. Size L shows a 10.2mm significant data inaccuracy in the published stack value — the published stack of 615mm is inflated relative to what the other published geometry parameters (head tube length 149mm, head tube angle 72°, and BB drop) imply when combined with the refined fork A2C of 431.7mm. The RideDNA Geometry Engine reconciliation confirms this isolated stack mispublishing on size L, with all other sizes demonstrating internal geometric consistency.