Tamiya 15404 JR 19mm 5-Spoke Ball Race Rollers  [15404]

Tamiya 15404 - JR 19mm Aluminium Ball Race Rollers - 5 Spoke Type
Price:
AUD$15.92
Brand:
Tamiya
Model:
15404
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Mini 4WD handling upgrade with Tamiya 15404 JR 19mm rollers

The Tamiya 15404 JR 19mm Aluminum Ball Race Rollers are a practical upgrade for Mini 4WD racers seeking more consistent rolling performance. Taking cues from the 19mm Aluminum Ball Race Rollers (Item 15160), these 5-spoke aluminium rollers balance low weight with structural stiffness to aid stable running on straights and through bends.

Equipped with sealed ball bearings to lower drag and fitted with rubber O-rings to absorb light impacts against track barriers, these rollers fit both Mini 4WD PRO and conventional Mini 4WD models. They provide an easy path to improved stability without complex setup changes.

Which tyre setups pair well with these rollers?

Lower-profile tyres that keep the centre of gravity down tend to complement these rollers, helping the car stay balanced while the bearings reduce rolling resistance.

Are they suitable for competitive racing?

Yes, they are suitable for competition as part of a tuned setup, provided you follow class rules on permitted parts and sizes.

How do I check bearing condition?

Spin each roller by hand to feel for smoothness and listen for roughness; clean or replace bearings if you detect gritty or uneven rotation.

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