M/AR Chassis Carbon Wide Rear Multi Roller Plate M4WD-14 by 3Racing  [M4WD-14]

Tamiya Mini 4WD Parts Carbon Wide Rear Multi Roller Plate For M AR Chassis - 3Racing M4WD-14
Price:
USD$5.00
Brand:
3Racing
Model:
M4WD-14
Condition:
Brand New
Write a review

Technical overview and compatibility for the wide rear roller plate

This aftermarket carbon rear plate is engineered for Mini 4WD platforms using M or AR chassis, providing an expanded rear mounting footprint and a defined matrix of drill positions for roller placement. The focus is on structural behaviour, hole layout and tuning implications rather than stepwise fit instructions.

The carbon laminate offers higher stiffness and repeatable mounting datum compared with standard polymer stays, which improves dimensional stability under lateral loads. That change in stiffness influences rear roll characteristics and rebound, so precise adjustment of roller offset and height is recommended to dial in handling for competitive setups.

Compatibility requires verification of rear stay screw spacing and roller clearance for each chassis variant. The component functions as a structural stay replacement; careful deburring, countersinking or minor rework of holes may be performed to accommodate specific screw heads or bespoke roller assemblies. When modifying, use controlled cutting and inspection to prevent edge delamination.

What measurements should I confirm before fitting the plate?

Verify rear stay screw hole centre-to-centre distances and check roller shaft clearance relative to body mounts. Use calipers for accuracy and compare to your chassis drawing or an existing stay.

Which machining practices minimise risk when altering holes?

Clamp the plate, use sharp carbide bits at low speed, deburr edges, and avoid side loads. Incremental drilling and inspection reduce the chance of crack initiation in the laminate.

How does increased stay stiffness influence setup strategy?

Higher stiffness shifts tuning toward roller geometry and tyre choice to control traction and pivot behaviour. Expect reduced passive flex, so compensate with roller placement and height to maintain desired cornering balance.

Are there recommended fastener types for secure mounting?

Use appropriate length machine screws or countersunk fasteners that match hole countersink depth. Metal washers can distribute load but avoid excessive torque to prevent laminate damage.

What routine checks should racers perform on this plate?

Inspect mounting holes for wear, check for hairline delamination after impacts, and confirm fastener torque regularly. Replace the plate if any structural compromise is visible.