This carbon wide rear multi roller plate is an aftermarket spare for Mini 4WD builders using M or AR chassis. The part provides an expanded rear mounting area with a variety of drilled roller positions so you can try different layouts without replacing the main stay. The text focuses on material choice and hole pattern considerations rather than step by step installation guidance.
In use, the carbon panel reduces flex compared with standard plastic stays and keeps mounting points rigid under lateral load. That added stiffness will change rear behaviour through corners and on rebound; experienced builders should expect a firmer rear end and tune roller heights and positions to balance grip and stability.
Compatibility is limited to M and AR chassis types that accept rear stay replacements in this form. Confirm screw spacing and clearance for your existing rollers or stabilizers before fitting. This plate is intended as a structural replacement; some users countersink or slightly modify holes to match specific screw heads or bespoke roller setups.
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