Quick Pro ER:ONE 2026 geometry

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.

Quick Pro ER:ONE 2026 geometry chart

Source: Manufacturer geometry source

Published geometry by size

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.

SizeStackReachHTASTAETTChainstayWheelbaseFront centerBB dropTrailFork offsetAudit context
L / 520 556 mm published393 mm published73.0 ° derived73.5 ° derived558 mm derived408 mm derived991 mm published593 mm derived70 mm derived56.6 mm derived45 mm published green
All 3 consistency checks passed
M / 490 538 mm published386 mm published72.0 ° derived74.0 ° derived540 mm derived408 mm derived987 mm published589 mm derived70 mm derived62.8 mm derived45 mm published green
All 3 consistency checks passed
S / 460 521 mm published381 mm published71.0 ° derived74.5 ° derived525 mm derived408 mm derived985 mm published588 mm derived70 mm derived69.1 mm derived45 mm published green
All 3 consistency checks passed
XL / 550 572 mm published406 mm published73.0 ° derived73.5 ° derived575 mm derived408 mm derived1008 mm published610 mm derived70 mm derived56.6 mm derived45 mm published green
All 3 consistency checks passed
XS / 430 505 mm published380 mm published70.0 ° derived75.0 ° derived515 mm derived408 mm derived985 mm published590 mm derived70 mm derived75.5 mm derived45 mm published yellow
1 of 3 checks flagged — Wheelbase Reconciliation shows 2.7mm discrepancy
XXL / 584 593 mm published415 mm published73.5 ° derived73.0 ° derived596 mm derived408 mm derived1019 mm published621 mm derived70 mm derived53.5 mm derived45 mm published green
All 3 consistency checks passed

Audit context

Overall consistency: yellow. 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.

ONE geometry reconciles well across the size run, with all stack and reach values falling within ±1mm engineering tolerance. A single wheelbase discrepancy appears on size XS (2.7mm data inaccuracy), while sizes S through XXL reconcile within tolerance. The RideDNA Geometry Engine reconciliation checks reveal a systematic stack inflation pattern across sizes XS–M, where the published stack values are approximately 1.5mm higher than what the other published geometry parameters imply — this is a stack mispublishing pattern affecting the smaller three sizes.

Next steps