Tamiya 94859 JR 13mm Roller Set Blue Edition  [94859]

Tamiya 94859 - JR 13mm Aluminum Ball Race Rollers - Ringless/Blue
Price:
AUD$17.64
Brand:
Tamiya
Model:
94859
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JR 13mm Aluminum Ball Race Rollers Blue Edition

The Tamiya 94859 JR 13mm Aluminum Ball Race Rollers are built to reduce friction and deliver consistent rotation using 520 ball bearings housed in sturdy aluminum sleeves. Their compact 13mm profile helps lower contact drag when brushing track walls, improving straight-line speed and mid-corner recovery. Suitable for both front and rear roller positions, they give flexibility when tuning handling.

The blue colour option brings a sharp look to both Mini 4WD PRO and standard Mini 4WD cars, offering hobbyists a balance of cosmetic flair and dependable performance upgrades.

Can I mix these with other roller sizes?

Mixing sizes is common for fine tuning; pairing 13mm rollers with different diameters front to rear can change how the car negotiates corners and jumps.

Do the rollers come pre-lubed?

They include fitted 520 bearings which are lightly greased from the factory; light cleaning and relubing is recommended after extended use for best performance.

Are replacement bearings available separately?

If bearings wear out, you can replace the 520 bearings without swapping the entire roller body, making maintenance straightforward and cost effective.

Will these reduce lap time instantly?

They can help reduce rolling resistance, but lap time gains depend on overall setup, gearing and driving lines; use them as part of a broader tuning plan.

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