Tamiya 94731 JR 19mm Aluminum Ball Rollers - Race Ready  [94731]

Tamiya 94731 - JR 19mm Aluminium Ball Race Rollers- Dish/Black
Price:
NZD$19.50
Brand:
Tamiya
Model:
94731
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Upgrade Kit Tamiya 94731 JR 19mm Aluminum Ball Rollers

The Tamiya 94731 JR 19mm Aluminum Ball Race Rollers are a compact, high quality upgrade for Mini 4WD cars. Built from sturdy aluminum with a black dish aesthetic, these rollers are intended to lower friction at contact points and promote cleaner lines through bends. They are compatible with Mini 4WD and Mini 4WD PRO designs, ideal for racers refining handling balance.

Rollers come fitted with 520 ball bearings to help reduce drag and maintain smooth rotation under load. The full set includes screws, spacers and rubber O-rings so you can fit the parts quickly and get back on the track testing your setup changes.

Can I swap these into my current roller setup?

In most cases yes; the 19mm size and mounting hardware make them a direct replacement for many standard rollers, but confirm spacing and overlap on custom rigs.

How often should I service the bearings?

Inspect bearings regularly for dirt and wear; a light cleaning and relubing after several race sessions keeps rotation smooth and prolongs life.

Are these suitable for high speed tracks?

Yes, the combination of aluminum construction and 520 bearings helps maintain stability at higher speeds, though final performance depends on your full setup and tuning.

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