Technical Roller Stopper M4WD-11/LB - Light Blue by 3Racing  [M4WD-11/LB]

Tamiya Mini 4WD Roller Stopper (light blue) - 3Racing M4WD-11/LB
Price:
USD$3.10
Brand:
3Racing
Model:
M4WD-11/LB
Condition:
Brand New
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Technical notes for M4WD-11/LB light blue roller stopper

The M4WD-11/LB roller stopper is a compact replacement contact intended to limit lateral and vertical roller excursion at track contact points. Its form factor provides predictable stopping geometry so builders can assess wear patterns on roller mounts and plan maintenance intervals.

Classified as a spare component rather than a tuning element, the stopper is compatible with standard roller brackets pending individual spacer stacks and clearances. No modifications to motors, gearing, or chassis subassemblies are required to install this part.

What function does the stopper serve in a build?

It functions as the primary sacrificial contact where rollers meet track fixtures, reducing impulse loads transmitted to roller bearings and mounting hardware.

How should I verify fitment?

Inspect your roller bracket and spacer stack for clearance; the stopper requires typical roller mount spacing and will not fit nonstandard custom brackets without modification.

Any recommended inspection intervals?

Check the stopper during routine post-run inspections; replace when visible material deformation or cracking is present to maintain consistent contact geometry.