Performance Double Aluminum Rollers 12-13mm M4WD-34/GO for Mini 4WD setups by 3Racing  [M4WD-34/GO]

Tamiya Mini 4WD Double Aluminum Rollers ( 12-13mm )(Golden) - 3RACING M4WD-34/GO
Price:
USD$7.50
Brand:
3Racing
Model:
M4WD-34/GO
Condition:
Brand New
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Race-oriented concentric rollers for competitive Mini 4WD

These double aluminum rollers are specified as aftermarket spares for racers and workshop tuners. The pair features a golden anodized finish and a compact concentric design intended for tight guide positions where low friction and consistent geometry are priority.

This technical overview addresses fitment considerations, aluminium behaviour under load, and recommended servicing intervals rather than assembly steps. The rollers are compatible with common Mini 4WD performance frames including Super-II, MA, MS and AR; fitment requires verifying post diameter, spacer stacks and any adapter sleeves.

Anodized aluminum offers good surface hardness and corrosion resistance, but bearing seats and mating posts should be inspected regularly to prevent fretting and misalignment. Maintain correct washer and spacer stacks to preserve axial freedom and lateral clearance under racing loads.

For workshop spares these rollers provide repeatable geometry and a durable contact surface. For tuning, they are useful when experimenting with roller stacks, bearing compounds and circuit-specific cornering setups.

What post dimensions are required for these rollers?

Confirm your roller post diameter and available axial clearance; the rollers require proper spacer stacking or adapter sleeves if your posts are undersize.

How should I monitor wear on anodized aluminium rollers?

Check bearing interfaces, look for scoring or fretting at mating surfaces and measure for any axial play; replace if contact geometry is compromised.

Which bearing options work best here?

Use sealed or precision bearings where bore size and axial room permit to reduce friction, but ensure secure seating to avoid misalignment under load.

Any setup tips for circuit tuning?

Adjust lateral clearance and roller overhang to match circuit profile; tighter setups suit technical tracks while more clearance helps absorb heavy impacts.