Exact product identity gap
A required exact component or product identity is not present in the audited research set.
Find the exact identity and source record; do not substitute a category, family name or similar model.BKU010 / SYSTEM RESEARCH PATHS
Know what to investigate next. Not what conclusion to reach.
BKU010 converts the 14 unresolved requirements already present in the three audited assembly research sets into structured evidence-gap paths. Each path names the missing identity or source class and points to the next BKU evidence surface without claiming that the next step will make the system compatible, complete or safe.
Navigation boundary: research destinations are explanatory. They do not prescribe a purchase, repair, installation sequence, torque value or return-to-use decision.
01 / CLASSIFY THE GAP
Seven gap types keep uncertainty specific.
A missing exact product is a different research problem from an unknown installation context. BKU keeps them separate so the next question stays precise.
Exact pair evidence gap
Two exact identities may be known, but no loaded authoritative record establishes the exact pair relationship at the required scope.
Shared family, speed count, mount label or graph adjacency is not exact-pair certification.Surrounding implementation identity gap
A known interface component does not identify the surrounding hub, wheel, frame, receiver or implementation context.
An interface name identifies a question to verify, not the full receiving assembly.Supporting system identity gap
A supporting chain, control, lever, hose or other exact system member is not identified in the bounded research set.
Do not infer an omitted supporting component from the identity of neighboring components.Authoritative procedure context gap
The remaining question concerns installation-specific hardware, procedure or exact-document scope that BKU does not infer.
Stop at the exact manufacturer/product documentation gate. No torque or installation sequence is generated.Dimensional context gap
A dimensional or spatial context such as rotor size, adapter context or other reference dimension is unresolved.
Geometry can clarify reference dimensions; it does not settle compatibility, procedure or safety.System relationship unknown
Individual product fields are known, but the complete system relationship is not established by the loaded evidence.
Independent product facts do not combine into a system verdict.02 / FOLLOW AN AUDITED PATH
Fourteen unresolved requirements. Zero recommendations.
Choose one of the same three audited assembly research sets. The navigator renders only its missing and unknown requirements and explains where to inspect next.
Loading evidence-gap paths…
NO TRANSITIVE INFERENCEA research path can reveal what to inspect next. It never creates a missing A↔C relationship from A↔B and B↔C.
03 / DESTINATION SURFACES
Five ways to continue the research question.
Different gaps point to different kinds of evidence. None of these surfaces is treated as a compatibility oracle.
Product evidenceVerify exact identity and field-level provenance.StandardsInspect source-backed interface identities and requirement scope.WorkshopTrace mechanism/interface questions and stop at the authoritative-document gate.GeometryInspect dimensions as references, never as a compatibility verdict.Graph neighborhoodsTrace nearby canonical entities without inferring absent edges.
04 / CURRENT GAP AUDIT
Missing and unknown remain visible until evidence changes them.
14GAP PATHS
11MISSING
3UNKNOWN
0STALE
0CONFLICTING
BKU010 adds no new external technical evidence. It organizes existing audited requirement states into research navigation and leaves every unresolved claim unresolved.
05 / AUTHORITY GATE
Research navigation stops where product-specific procedure begins.
A destination is not a product recommendation.
Exact technical documentation remains authoritative.
Closing one gap does not certify the wider system.
BKU does not certify a bicycle safe or ready to ride.
ICU / CONNECTED DISCOVERY
Continue through related ideas.
These are bounded editorial connections; paid placement does not influence them.
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