The Tamiya 15180 - 13mm Guide Roller Ball Bearings are a practical upgrade for Mini 4WD fans who want steadier steering through twisty sections. Designed as guide rollers, they deliver a cleaner roll with less binding so your car holds the racing line better.
The set includes two bearings, each measuring 13mm across with a slim 3mm profile, suitable for many guide roller applications. They focus on reducing unwanted drag to help keep speed consistent while improving directional control.
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