Tamiya 15404 JR 19mm 5-Spoke Aluminium Rollers  [15404]

Tamiya 15404 - JR 19mm Aluminium Ball Race Rollers - 5 Spoke Type
Price:
£7.93
Brand:
Tamiya
Model:
15404
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Tamiya 15404 JR 19mm aluminium rollers for Mini 4WD tuning

The Tamiya 15404 JR 19mm Aluminum Ball Race Rollers offer a tidy 5-spoke option for Mini 4WD hobbyists who want predictable rolling behaviour. Based on the established 19mm Aluminum Ball Race Rollers (Item 15160), these parts use aluminium to reduce rotating mass while maintaining strength for regular track use.

They include ball bearings to minimise friction and rubber O-rings to cushion contact with course walls, making them compatible with both Mini 4WD PRO and standard Mini 4WD chassis. These rollers are a sensible upgrade for those aiming for steadier handling without major chassis alterations.

Do these rollers suit high grip tracks?

On high grip surfaces the bearings still reduce drag, but you may need to adjust tyre choice or ride height to avoid excessive cornering load on the rollers.

Can I pair these with aftermarket bearings?

If the dimensions match, higher quality aftermarket bearings can be used to further lower friction; ensure the bearing size and shaft fit are correct before swapping.

What is the best way to store spare rollers?

Keep spare rollers in a dry container away from dust and heavy loads; store O-rings separately from solvents to avoid premature degradation.

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