BKU / GEOMETRY / ENTITY

Mechanical trail

Horizontal ground-plane distance between the steering-axis intersection with the ground and the tire contact-point reference in a simplified bicycle geometry model.

bku.concept.trail

Definition

Horizontal ground-plane distance between the steering-axis intersection with the ground and the tire contact-point reference in a simplified bicycle geometry model.

Reference points

steering-axis ground intersection
front tire contact reference

Trail is useful for geometric comparison but is not a complete handling prediction.

Geometry Lab rule

BKU will not translate this single number into a handling verdict. A future tool must show multiple interacting dimensions and its assumptions.

BKU003 · ENTITY DEPTH

Graph context, not a standalone article.

Incoming5

Outgoing4

Related families4

Relationship types present here: commonly associated · contains · explains · geometry reference · trail next.

GRAPH NEIGHBORHOOD

Incoming and outgoing edges are different.

Direction and relation vocabulary remain explicit. Association is not compatibility, causality, ranking or a handling prediction.

Incoming · 5

IN · commonly associated
Gravel bikeGeometry dimension worth inspecting for this archetype; not a handling prediction.
IN · commonly associated
Mountain bikeGeometry dimension worth inspecting for this archetype; not a handling prediction.
IN · contains
Geometry foundations
IN · trail next
Gravel bikeMixed-surface confidence
IN · explains
Geometry Lab reference modelThe lab displays simplified ground trail from effective wheel radius, head angle and fork offset; it does not output a handling verdict.

Outgoing · 4

OUT · geometry reference
Fork
OUT · geometry reference
Wheel
OUT · geometry reference
Tire
OUT · trail next
TireMixed-surface confidence

Inspect this reference in Geometry Lab

The lab visualizes selected geometry variables without turning any single dimension into a ride verdict.

Open Geometry Lab →

ICU / CONNECTED DISCOVERY

Continue through related ideas.

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