3Racing Tamiya Mini 4WD compatible 19mm ringless aluminium ball race roller M4WD-40/RE red spare roller - Upgrade Part  [M4WD-40/RE]

Tamiya Mini 4WD 19mm Aluminum Ball -Race Rollers ( Ringless-Light weight ) -Red - 3RACING M4WD-40/RE
Price:
AUD$9.00
Brand:
3Racing
Model:
M4WD-40/RE
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M4WD-40/RE 19mm red ringless aluminium roller for Mini 4WD

The M4WD-40/RE is a 19mm ringless aluminium ball race roller finished in red. Constructed from lightweight aluminium, the ringless format helps reduce component mass compared with ringed rollers. It is intended as a straight replacement for applications requiring a 19mm roller assembly.

This roller is suitable for common Mini 4WD configurations that accept 19mm rollers. Fitment depends on axle diameter and spacer arrangement specific to each chassis; confirm mounting geometry and clearances before installation. It is applicable to chassis families like MA, MS, AR and FM-A when the mounting interface is compatible.

Model builders and collectors should consider finish and colour when matching parts. The listing concentrates on material and form factor without promising measurable lap-time improvements. Installation uses standard 19mm roller axles and spacers and does not list additional included hardware.

Will this fit any 19mm roller mount?

If the mount accepts a 19mm roller with standard axle and spacer spacing, the part is a candidate. Double-check axle thickness and spacer stack before fitting to avoid clearance issues.

Are the bearings exposed or sealed?

The product is described as a finished ringless ball race roller. The listing does not provide bearing service or sealing details, so assume factory assembly with no user-service guidance.

Is this suitable for MA, MS or AR chassis types?

Yes, when the roller mount accepts 19mm units and axle/spacer geometry matches. Verify for possible interference with bodies or stabilisers before running.

Do I need extra parts to fit this roller?

You will typically need existing axle pins and spacers from your build. The description does not guarantee that mounting hardware is included.

How to choose between ringless and ringed rollers?

Ringless rollers reduce mass and can help responsiveness, but check if your setup relies on a ringed profile for stabiliser contact. The listing avoids performance promises and focuses on compatibility and form.

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