Mini 4WD Rear Wide Carbon Roller Plate M4WD-42/WO Technical Upgrade by 3Racing  [M4WD-42/WO]

Tamiya Mini 4WD Carbon Wide Rear Multi Roller Plate (S) - 3RACING M4WD-42/WO
Price:
USD$3.80
Brand:
3Racing
Model:
M4WD-42/WO
Condition:
Brand New
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Technical note on M4WD-42/WO carbon wide rear multi roller plate

The M4WD-42/WO is a purpose-built carbon rear plate intended for Mini 4WD rear stay assemblies where extra roller positions and a stable mounting plane are required. The single-piece carbon construction provides a stiff mounting surface that supports multiple roller layouts common in competitive setups.

Provided as a part-level component, the plate requires verification of rear stay hole pitch, standoff heights, and fastener lengths prior to installation. Consult your existing stay geometry and roller shaft dimensions to ensure correct stack height and clearance. The plate is aimed at racers and tuners familiar with Mini 4WD interchange and setup tuning.

Specification notes focus on intended application and mechanical fit; this component does not include motor or gearbox modifications and should be treated as an upgrade to rear stay mounting and stability.

Which dimensions are critical for correct installation?

Critical checks are rear stay hole spacing, distance from mount to bodywork, and the planned roller shaft centre positions. Confirm these against your current hardware to avoid unwanted interference.

What tooling is recommended for fitting and adjustments?

Use precision calipers for measurement, appropriate M3 drivers for fasteners, and non-abrasive files or shims if minor clearance adjustments are needed. Avoid aggressive cutting that could delaminate carbon edges.

Can the plate support multiple roller stacks used in competitive tuning?

Yes, the wider profile supports several roller mounting locations typical of tuned rear stay setups. Ensure roller placement maintains tyre clearance and does not create new contact points with the shell under compression.

Are there recommended standoff heights for standard rollers?

Recommended standoff heights vary by roller diameter and body shape. As a rule, select standoffs that position rollers clear of the tyre and body at full suspension or flex, and test on a practice run to confirm behaviour.