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

Tamiya 15404 - JR 19mm Aluminium Ball Race Rollers - 5 Spoke Type
Price:
CAD$14.61
Brand:
Tamiya
Model:
15404
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Upgrade your Mini 4WD with Tamiya 15404 JR 19mm Aluminum Ball Race Rollers

The Tamiya 15404 JR 19mm Aluminum Ball Race Rollers bring a clean 5-spoke look and precise rolling action to Mini 4WD kits. Based on the established 19mm Aluminum Ball Race Rollers (Item 15160), these parts use lightweight aluminum to keep rotational mass low, helping with smoother spins and improved on-track balance.

Each roller includes ball bearings to cut friction for freer rotation, while rubber O-rings give a degree of shock absorption when the roller contacts the track walls. They work with both Mini 4WD PRO and standard Mini 4WD machines, making these rollers a practical choice for racers seeking consistent handling gains.

How do these aluminum rollers affect speed?

Aluminum rollers reduce rotational weight compared to heavier materials, which can help the wheels reach top speed more quickly and maintain smoother rotation through corners.

Will the rubber O-rings wear out quickly?

O-ring lifespan depends on track conditions and contact frequency; inspect them regularly and replace when flattened or cracked to keep consistent rebound and wall contact damping.

Are ball bearings easy to service?

Yes. Bearings can be cleaned with a mild solvent and relubricated with light oil or bearing oil to restore smooth rotation and extend service life.

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