The Tamiya 15291 JR RC Guide Roller Ball Bearing is a focused upgrade for Mini 4WD drivers seeking crisper handling. These 9mm diameter rollers incorporate ball bearings to reduce friction and lessen component wear, delivering a smoother feel through corners and when changing lines.
They are compatible with a broad selection of Tamiya Mini 4WD kits, making them a practical option for racers refining set up. Fitting precision rollers like the Tamiya 15291 helps stabilise the car and can support quicker, more consistent lap performance.
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