The Tamiya 95404 HG Lightweight Aluminum Ball-Race Rollers feature a ringless aluminium construction and sealed 520 ball bearings to keep rotation smooth and reduce drag on the axle. The red 19mm diameter suits a range of tuning setups where low rotating weight matters.
These rollers are compatible with most Mini 4WD and Mini 4WD PRO cars, though some chassis and body combinations may need small adjustments to clear the roller edges. They are a common upgrade for racers chasing more consistent corner exits and improved handling balance.
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