Niner RLT 9 RDO 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.

Niner RLT 9 RDO 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
47cm 535 mm published362 mm published70.0 ° derived74.5 ° derived510 mm derived430 mm derived1000 mm published581 mm published75 mm derived81.7 mm derived45 mm published green
All 4 consistency checks passed
50cm 556 mm published366 mm published70.5 ° derived74.0 ° derived525 mm derived430 mm derived1007 mm published589 mm published75 mm derived78.3 mm derived45 mm published green
All 4 consistency checks passed
53cm 577 mm published374 mm published71.0 ° derived73.5 ° derived545 mm derived430 mm derived1017 mm published600 mm published75 mm derived75.0 mm derived45 mm published green
All 4 consistency checks passed
56cm 592 mm published384 mm published71.5 ° derived73.0 ° derived565 mm derived430 mm derived1030 mm published611 mm published70 mm derived71.7 mm derived45 mm published green
All 4 consistency checks passed
59cm 613 mm published398 mm published72.0 ° derived73.0 ° derived585 mm derived430 mm derived1045 mm published626 mm published70 mm derived68.4 mm derived45 mm published green
All 4 consistency checks passed
62cm 634 mm published405 mm published72.5 ° derived72.5 ° derived605 mm derived430 mm derived1054 mm published634 mm published70 mm derived65.1 mm derived45 mm published green
All 4 consistency checks passed

Audit context

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 Niner RLT 9 RDO gravel bike demonstrates excellent internal geometric consistency across all six sizes. All four primary checks — stack, reach, wheelbase, and front center — reconcile within ±1mm engineering tolerance across the entire size run. The published geometry is internally self-consistent and aligns closely with the engine's first-principles forward-model calculations.

Next steps

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