Tamiya 94897 JR 13mm Aluminum Ball Race Rollers - Black Anodized Finish  [94897]

Tamiya 94897 - JR 13mm Aluminum Ball Race Rollers - Ringless/Black
Price:
£10.82
Brand:
Tamiya
Model:
94897
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Durable 13mm JR Aluminum Ball Rollers Tamiya 94897

The Tamiya 94897 JR 13mm Aluminum Ball Race Rollers are a solid upgrade for Mini 4WD models that need reliable, low-drag rollers. Made from lightweight aluminum and featuring a ringless profile, they pair with 520 metal ball bearings to reduce contact friction and keep rotation consistent against track guides. They are compatible with both Mini 4WD PRO and standard chassis and can be mounted at the front or rear depending on your setup goals. The black anodized coating gives a refined look while helping protect the components from everyday wear.

Are these suitable for competitive club racing?

Yes, these rollers are commonly used in club racing where low friction and consistent bearing performance matter, though final setup and tuning influence results.

How do I check bearing condition?

Spin each bearing by hand to feel for roughness or noise. Replace any bearing that feels gritty and clean or re-lube bearings that are running dry.

Can I upgrade to different bearing sizes?

These rollers are built for 13mm JR sizing and 520 bearings. Changing bearing size requires matching roller bore and mounting hardware, so check compatibility before swapping.

What cleaning routine is recommended?

Wipe rollers after running to remove dust, clean bearings with a suitable solvent if dirty, then apply a small amount of light oil to maintain free spin.

Will the anodized finish affect grip on plastic guides?

Anodize changes surface appearance but not the roller diameter. Any effect on guide contact is minimal; setup and alignment are more influential on performance.

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