Mini 4WD Roller Stopper Pad M4WD-11/PK technical replacement by 3Racing  [M4WD-11/PK]

Tamiya Mini 4WD Roller Stopper (Pink) - 3Racing M4WD-11/PK
Price:
USD$3.10
Brand:
3Racing
Model:
M4WD-11/PK
Condition:
Brand New
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Technical overview of the M4WD-11/PK stopper pad

A compact pink stopper pad engineered for Mini 4WD builders that require a soft-contact element between bodywork and guide or barrier interfaces. The component is intended as a direct replacement part compatible with common Mini 4WD mounting points and is not specified as a performance upgrade.

Material selection centres on a polymer compound that provides a low coefficient of friction combined with controlled compliance. This delivers predictable contact behaviour, reduces abrasive loading on adjacent plastics and paint, and helps retain static clearance under light contact conditions.

Mechanical integration is straightforward: the stopper mounts to standard posts or compatible aftermarket fixtures. Confirm threaded or post dimensions against chassis specifications prior to assembly to ensure secure retention and correct alignment.

Routine inspection should focus on pad compression and surface roughness; replace the pad when contact geometry or texture degrades. Clean with non-aggressive cleaners and a soft brush to remove contaminants without affecting polymer properties.

What mounting tolerances should I verify?

Measure post diameter and check thread pitch where applicable; ensure the stopper sits square to the contact face to avoid uneven wear.

How does the polymer compound affect contact friction?

The compound reduces static and dynamic friction at the contact interface while offering enough compliance to absorb minor misalignments without transferring loads to delicate bodywork.

Are there installation best practices?

Hand-start threads, verify perpendicular seating, and torque to a light setting to avoid deforming the polymer pad or stripping fine threads.

What inspection intervals are recommended?

Inspect visually after intensive handling or every few display rotations; replace when the contact surface shows flattening or abrasion that alters clearance.

Any cleaning or chemical compatibility notes?

Clean with mild soap and water. Avoid aggressive solvents and fuels that can harden or swell the polymer compound.

Replacement and spare strategy suggestions?

For models in frequent use or on display, keep several spare stoppers to rotate parts and maintain consistent contact geometry over time.