Grip Dial – Caster Visualizer

Grip Dial – Caster

Side view visualization of caster angle and mechanical trail. Adjust caster, hub offset, and tire diameter to see how each affects self-alignment torque.

Caster Angle (°) 7.0

Hub Offset (mm) 0

Tire Diameter (mm) 635

Mechanical Trail (mm)
39.0

Caster Angle (°)

7.0

Hub Offset (mm)

0

Self-Align Torque

Normal

Understanding Caster

Caster is the angle of the steering axis relative to vertical. Mechanical trail is the distance between where the steering axis intersects the ground and where the tire contacts. More trail = more self-centering force but heavier steering.

FRONT

Steering Axis

Vertical Reference

Mechanical Trail

Tire Contact

Speed is built on data, not guesses.

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