The Tamiya 94886 JR 19mm Aluminum Ball-Race Rollers are built for the Japan Cup Limited Edition and tuned for racers who want tighter handling and more stable laps. Machined aluminum construction keeps weight low while improving durability so your Mini 4WD holds line through fast corners.
These 19mm ball-race rollers fit both Mini 4WD and Mini 4WD PRO cars, letting you upgrade a range of chassis. Included screws, spacers, and O-rings simplify mounting and let you fine tune roller position before a run.
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