The Tamiya 95231 double aluminum rollers are a popular upgrade for Mini 4WD fans aiming for steadier lap times. The kit includes black anodized rollers in a dual-size layout - 13mm lower rollers for long straights and 12mm upper rollers to assist with tighter turns. These rollers provide reliable stabilising support so your car keeps speed and control through race sections.
Made to match both Mini 4WD PRO and standard Mini 4WD chassis, the rollers use 520 ball bearings for smooth rotation under load. The supplied small parts make fitting straightforward, letting racers dial in handling improvements without lengthy modifications.
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